diff --git a/tools/v8_gypfiles/broken/all.gyp b/tools/v8_gypfiles/broken/all.gyp
deleted file mode 100644
index 99248205b600c7..00000000000000
--- a/tools/v8_gypfiles/broken/all.gyp
+++ /dev/null
@@ -1,29 +0,0 @@
-# Copyright 2011 the V8 project authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-{
-  'targets': [
-    {
-      'target_name': 'All',
-      'type': 'none',
-      'dependencies': [
-        'd8.gyp:d8',
-        'mkgrokdump.gyp:*',
-      ],
-      'conditions': [
-        ['component!="shared_library"', {
-          'dependencies': [
-            'parser-shell.gyp:parser-shell',
-          ],
-        }],
-        # These items don't compile for Android on Mac.
-        ['host_os!="mac" or OS!="android"', {
-          'dependencies': [
-            'samples.gyp:*',
-          ],
-        }],
-      ]
-    }
-  ]
-}
diff --git a/tools/v8_gypfiles/broken/coverage_wrapper.py b/tools/v8_gypfiles/broken/coverage_wrapper.py
deleted file mode 100644
index d5fdee43cfb761..00000000000000
--- a/tools/v8_gypfiles/broken/coverage_wrapper.py
+++ /dev/null
@@ -1,38 +0,0 @@
-#!/usr/bin/env python
-# Copyright 2016 the V8 project authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# CC/CXX wrapper script that excludes certain file patterns from coverage
-# instrumentation.
-
-import re
-import subprocess
-import sys
-
-exclusions = [
-  'buildtools',
-  'src/third_party',
-  'third_party',
-  'test',
-  'testing',
-]
-
-def remove_if_exists(string_list, item):
-  if item in string_list:
-    string_list.remove(item)
-
-args = sys.argv[1:]
-text = ' '.join(sys.argv[2:])
-for exclusion in exclusions:
-  if re.search(r'\-o obj/%s[^ ]*\.o' % exclusion, text):
-    remove_if_exists(args, '-fprofile-arcs')
-    remove_if_exists(args, '-ftest-coverage')
-    remove_if_exists(args, '-fsanitize-coverage=func')
-    remove_if_exists(args, '-fsanitize-coverage=bb')
-    remove_if_exists(args, '-fsanitize-coverage=edge')
-    remove_if_exists(args, '-fsanitize-coverage=trace-pc-guard')
-    remove_if_exists(args, '-fsanitize-coverage=bb,trace-pc-guard')
-    break
-
-sys.exit(subprocess.check_call(args))
diff --git a/tools/v8_gypfiles/broken/gyp_environment.py b/tools/v8_gypfiles/broken/gyp_environment.py
deleted file mode 100644
index fe6b51f28abbdf..00000000000000
--- a/tools/v8_gypfiles/broken/gyp_environment.py
+++ /dev/null
@@ -1,57 +0,0 @@
-# Copyright 2015 the V8 project authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""
-Sets up various automatic gyp environment variables. These are used by
-gyp_v8 and landmines.py which run at different stages of runhooks. To
-make sure settings are consistent between them, all setup should happen here.
-"""
-
-import os
-import sys
-
-SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
-V8_ROOT = os.path.abspath(os.path.join(SCRIPT_DIR, os.pardir))
-
-
-def apply_gyp_environment(file_path=None):
-  """
-  Reads in a *.gyp_env file and applies the valid keys to os.environ.
-  """
-  if not file_path or not os.path.exists(file_path):
-    return
-  file_contents = open(file_path).read()
-  try:
-    file_data = eval(file_contents, {'__builtins__': None}, None)
-  except SyntaxError, e:
-    e.filename = os.path.abspath(file_path)
-    raise
-  supported_vars = ( 'V8_GYP_FILE',
-                     'V8_GYP_SYNTAX_CHECK',
-                     'GYP_DEFINES',
-                     'GYP_GENERATORS',
-                     'GYP_GENERATOR_FLAGS',
-                     'GYP_GENERATOR_OUTPUT', )
-  for var in supported_vars:
-    val = file_data.get(var)
-    if val:
-      if var in os.environ:
-        print 'INFO: Environment value for "%s" overrides value in %s.' % (
-            var, os.path.abspath(file_path)
-        )
-      else:
-        os.environ[var] = val
-
-
-def set_environment():
-  """Sets defaults for GYP_* variables."""
-
-  if 'SKIP_V8_GYP_ENV' not in os.environ:
-    # Update the environment based on v8.gyp_env
-    gyp_env_path = os.path.join(os.path.dirname(V8_ROOT), 'v8.gyp_env')
-    apply_gyp_environment(gyp_env_path)
-
-    if not os.environ.get('GYP_GENERATORS'):
-      # Default to ninja on all platforms.
-      os.environ['GYP_GENERATORS'] = 'ninja'
diff --git a/tools/v8_gypfiles/broken/gyp_v8 b/tools/v8_gypfiles/broken/gyp_v8
deleted file mode 100644
index a0971cce36e610..00000000000000
--- a/tools/v8_gypfiles/broken/gyp_v8
+++ /dev/null
@@ -1,189 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright 2012 the V8 project authors. All rights reserved.
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-#       notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-#       copyright notice, this list of conditions and the following
-#       disclaimer in the documentation and/or other materials provided
-#       with the distribution.
-#     * Neither the name of Google Inc. nor the names of its
-#       contributors may be used to endorse or promote products derived
-#       from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-# This script is wrapper for V8 that adds some support for how GYP
-# is invoked by V8 beyond what can be done in the gclient hooks.
-
-import argparse
-import glob
-import os
-import platform
-import shlex
-import sys
-
-script_dir = os.path.dirname(os.path.realpath(__file__))
-sys.path.insert(0, script_dir)
-import gyp_environment
-
-v8_root = os.path.abspath(os.path.join(script_dir, os.pardir))
-
-sys.path.insert(0, os.path.join(v8_root, 'tools', 'gyp', 'pylib'))
-import gyp
-
-# Add paths so that pymod_do_main(...) can import files.
-sys.path.insert(
-    1, os.path.abspath(os.path.join(v8_root, 'tools', 'generate_shim_headers')))
-sys.path.append(
-    os.path.abspath(os.path.join(v8_root, 'third_party', 'binutils')))
-
-def GetOutputDirectory():
-  """Returns the output directory that GYP will use."""
-
-  # Handle command line generator flags.
-  parser = argparse.ArgumentParser()
-  parser.add_argument('-G', dest='genflags', default=[], action='append')
-  genflags = parser.parse_known_args()[0].genflags
-
-  # Handle generator flags from the environment.
-  genflags += shlex.split(os.environ.get('GYP_GENERATOR_FLAGS', ''))
-
-  needle = 'output_dir='
-  for item in genflags:
-    if item.startswith(needle):
-      return item[len(needle):]
-
-  return 'out'
-
-
-def additional_include_files(args=[]):
-  """
-  Returns a list of additional (.gypi) files to include, without
-  duplicating ones that are already specified on the command line.
-  """
-  # Determine the include files specified on the command line.
-  # This doesn't cover all the different option formats you can use,
-  # but it's mainly intended to avoid duplicating flags on the automatic
-  # makefile regeneration which only uses this format.
-  specified_includes = set()
-  for arg in args:
-    if arg.startswith('-I') and len(arg) > 2:
-      specified_includes.add(os.path.realpath(arg[2:]))
-
-  result = []
-  def AddInclude(path):
-    if os.path.realpath(path) not in specified_includes:
-      result.append(path)
-
-  # Always include standalone.gypi
-  AddInclude(os.path.join(v8_root, 'gypfiles', 'standalone.gypi'))
-
-  # Optionally add supplemental .gypi files if present.
-  supplements = glob.glob(os.path.join(v8_root, '*', 'supplement.gypi'))
-  for supplement in supplements:
-    AddInclude(supplement)
-
-  return result
-
-
-def run_gyp(args):
-  if gyp.main(args) != 0:
-    print 'Error running GYP'
-    sys.exit(rc)
-
-
-if __name__ == '__main__':
-  args = sys.argv[1:]
-
-  gyp_chromium_no_action = os.environ.get('GYP_CHROMIUM_NO_ACTION')
-  if gyp_chromium_no_action == '1':
-    print 'Skipping gyp_v8 due to GYP_CHROMIUM_NO_ACTION env var.'
-    sys.exit(0)
-
-  running_as_hook = '--running-as-hook'
-  if running_as_hook in args and gyp_chromium_no_action != '0':
-    print 'GYP is now disabled by default in runhooks.\n'
-    print 'If you really want to run this, either run '
-    print '`python gypfiles/gyp_v8` explicitly by hand '
-    print 'or set the environment variable GYP_CHROMIUM_NO_ACTION=0.'
-    sys.exit(0)
-
-  if running_as_hook in args:
-    args.remove(running_as_hook)
-
-  gyp_environment.set_environment()
-
-  # This could give false positives since it doesn't actually do real option
-  # parsing.  Oh well.
-  gyp_file_specified = False
-  for arg in args:
-    if arg.endswith('.gyp'):
-      gyp_file_specified = True
-      break
-
-  # If we didn't get a file, check an env var, and then fall back to
-  # assuming 'all.gyp' from the same directory as the script.
-  if not gyp_file_specified:
-    gyp_file = os.environ.get('V8_GYP_FILE')
-    if gyp_file:
-      # Note that V8_GYP_FILE values can't have backslashes as
-      # path separators even on Windows due to the use of shlex.split().
-      args.extend(shlex.split(gyp_file))
-    else:
-      args.append(os.path.join(script_dir, 'all.gyp'))
-
-  args.extend(['-I' + i for i in additional_include_files(args)])
-
-  # There shouldn't be a circular dependency relationship between .gyp files
-  args.append('--no-circular-check')
-
-  # Set the GYP DEPTH variable to the root of the V8 project.
-  args.append('--depth=' + os.path.relpath(v8_root))
-
-  # If V8_GYP_SYNTAX_CHECK is set to 1, it will invoke gyp with --check
-  # to enfore syntax checking.
-  syntax_check = os.environ.get('V8_GYP_SYNTAX_CHECK')
-  if syntax_check and int(syntax_check):
-    args.append('--check')
-
-  print 'Updating projects from gyp files...'
-  sys.stdout.flush()
-
-  # Generate for the architectures supported on the given platform.
-  gyp_args = list(args)
-  gyp_args.extend(['-D', 'gyp_output_dir=' + GetOutputDirectory()])
-  gyp_generators = os.environ.get('GYP_GENERATORS', '')
-  if platform.system() == 'Linux' and gyp_generators != 'ninja':
-    # Work around for crbug.com/331475.
-    for f in glob.glob(os.path.join(v8_root, 'out', 'Makefile.*')):
-      os.unlink(f)
-    # --generator-output defines where the Makefile goes.
-    gyp_args.append('--generator-output=out')
-    # -Goutput_dir defines where the build output goes, relative to the
-    # Makefile. Set it to . so that the build output doesn't end up in out/out.
-    gyp_args.append('-Goutput_dir=.')
-
-  gyp_defines = os.environ.get('GYP_DEFINES', '')
-
-  # Automatically turn on crosscompile support for platforms that need it.
-  if all(('ninja' in gyp_generators,
-          'OS=android' in gyp_defines,
-          'GYP_CROSSCOMPILE' not in os.environ)):
-    os.environ['GYP_CROSSCOMPILE'] = '1'
-
-  run_gyp(gyp_args)
diff --git a/tools/v8_gypfiles/broken/gyp_v8.py b/tools/v8_gypfiles/broken/gyp_v8.py
deleted file mode 100644
index 462ee674acbbc5..00000000000000
--- a/tools/v8_gypfiles/broken/gyp_v8.py
+++ /dev/null
@@ -1,41 +0,0 @@
-# Copyright 2013 the V8 project authors. All rights reserved.
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-#       notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-#       copyright notice, this list of conditions and the following
-#       disclaimer in the documentation and/or other materials provided
-#       with the distribution.
-#     * Neither the name of Google Inc. nor the names of its
-#       contributors may be used to endorse or promote products derived
-#       from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-# This file is (possibly, depending on python version) imported by
-# gyp_v8 when GYP_PARALLEL=1 and it creates sub-processes through the
-# multiprocessing library.
-
-# Importing in Python 2.6 (fixed in 2.7) on Windows doesn't search for imports
-# that don't end in .py (and aren't directories with an __init__.py). This
-# wrapper makes "import gyp_v8" work with those old versions and makes it
-# possible to execute gyp_v8.py directly on Windows where the extension is
-# useful.
-
-import os
-
-path = os.path.abspath(os.path.split(__file__)[0])
-execfile(os.path.join(path, 'gyp_v8'))
diff --git a/tools/v8_gypfiles/broken/mac/asan.gyp b/tools/v8_gypfiles/broken/mac/asan.gyp
deleted file mode 100644
index 3fc7f58d434915..00000000000000
--- a/tools/v8_gypfiles/broken/mac/asan.gyp
+++ /dev/null
@@ -1,31 +0,0 @@
-# Copyright 2015 the V8 project authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-{
-   'targets': [
-     {
-       'target_name': 'asan_dynamic_runtime',
-       'toolsets': ['target', 'host'],
-       'type': 'none',
-       'variables': {
-         # Every target is going to depend on asan_dynamic_runtime, so allow
-         # this one to depend on itself.
-         'prune_self_dependency': 1,
-         # Path is relative to this GYP file.
-         'asan_rtl_mask_path':
-             '../../third_party/llvm-build/Release+Asserts/lib/clang/*/lib/darwin',
-         'asan_osx_dynamic':
-             '<(asan_rtl_mask_path)/libclang_rt.asan_osx_dynamic.dylib',
-       },
-       'copies': [
-         {
-           'destination': '<(PRODUCT_DIR)',
-           'files': [
-             '<!(/bin/ls <(asan_osx_dynamic))',
-           ],
-         },
-       ],
-     },
-   ],
-}
diff --git a/tools/v8_gypfiles/broken/mkgrokdump.gyp b/tools/v8_gypfiles/broken/mkgrokdump.gyp
deleted file mode 100644
index 75e8fc75cd6a98..00000000000000
--- a/tools/v8_gypfiles/broken/mkgrokdump.gyp
+++ /dev/null
@@ -1,27 +0,0 @@
-# Copyright 2017 the V8 project authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-{
-  'variables': {
-    'v8_code': 1,
-  },
-  'includes': ['toolchain.gypi', 'features.gypi'],
-  'targets': [
-    {
-      'target_name': 'mkgrokdump',
-      'type': 'executable',
-      'dependencies': [
-        'v8.gyp:v8',
-        'v8.gyp:v8_libbase',
-        'v8.gyp:v8_libplatform',
-      ],
-      'include_dirs': [
-        '..',
-      ],
-      'sources': [
-        '../test/mkgrokdump/mkgrokdump.cc',
-      ],
-    },
-  ],
-}
diff --git a/tools/v8_gypfiles/broken/parser-shell.gyp b/tools/v8_gypfiles/broken/parser-shell.gyp
deleted file mode 100644
index 464e2676ac8bb6..00000000000000
--- a/tools/v8_gypfiles/broken/parser-shell.gyp
+++ /dev/null
@@ -1,60 +0,0 @@
-# Copyright 2013 the V8 project authors. All rights reserved.
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-#       notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-#       copyright notice, this list of conditions and the following
-#       disclaimer in the documentation and/or other materials provided
-#       with the distribution.
-#     * Neither the name of Google Inc. nor the names of its
-#       contributors may be used to endorse or promote products derived
-#       from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-{
-  'variables': {
-    'v8_code': 1,
-    'v8_enable_i18n_support%': 1,
-  },
-  'includes': ['toolchain.gypi', 'features.gypi'],
-  'targets': [
-    {
-      'target_name': 'parser-shell',
-      'type': 'executable',
-      'dependencies': [
-        'v8.gyp:v8',
-        'v8.gyp:v8_libbase',
-        'v8.gyp:v8_libplatform',
-      ],
-      'conditions': [
-        ['v8_enable_i18n_support==1', {
-          'dependencies': [
-            '<(icu_gyp_path):icui18n',
-            '<(icu_gyp_path):icuuc',
-          ],
-        }],
-      ],
-      'include_dirs+': [
-        '..',
-      ],
-      'sources': [
-        '../tools/parser-shell.cc',
-        '../tools/shell-utils.h',
-      ],
-    },
-  ],
-}
diff --git a/tools/v8_gypfiles/broken/samples.gyp b/tools/v8_gypfiles/broken/samples.gyp
deleted file mode 100644
index 9080c0d445d24f..00000000000000
--- a/tools/v8_gypfiles/broken/samples.gyp
+++ /dev/null
@@ -1,61 +0,0 @@
-# Copyright 2012 the V8 project authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-{
-  'variables': {
-    'v8_code': 1,
-    'v8_enable_i18n_support%': 1,
-    'v8_toolset_for_shell%': 'target',
-  },
-  'includes': ['toolchain.gypi', 'features.gypi'],
-  'target_defaults': {
-    'type': 'executable',
-    'dependencies': [
-      'v8.gyp:v8',
-      'v8.gyp:v8_libbase',
-      'v8.gyp:v8_libplatform',
-    ],
-    'include_dirs': [
-      '..',
-    ],
-    'conditions': [
-      ['v8_enable_i18n_support==1', {
-        'dependencies': [
-          '<(icu_gyp_path):icui18n',
-          '<(icu_gyp_path):icuuc',
-        ],
-      }],
-      ['OS=="win" and v8_enable_i18n_support==1', {
-        'dependencies': [
-          '<(icu_gyp_path):icudata',
-        ],
-      }],
-    ],
-  },
-  'targets': [
-    {
-      'target_name': 'v8_shell',
-      'sources': [
-        '../samples/shell.cc',
-      ],
-      'conditions': [
-        [ 'want_separate_host_toolset==1', {
-          'toolsets': [ '<(v8_toolset_for_shell)', ],
-        }],
-      ],
-    },
-    {
-      'target_name': 'hello-world',
-      'sources': [
-        '../samples/hello-world.cc',
-      ],
-    },
-    {
-      'target_name': 'process',
-      'sources': [
-        '../samples/process.cc',
-      ],
-    },
-  ],
-}
diff --git a/tools/v8_gypfiles/broken/set_clang_warning_flags.gypi b/tools/v8_gypfiles/broken/set_clang_warning_flags.gypi
deleted file mode 100644
index 63d5f1435ccb51..00000000000000
--- a/tools/v8_gypfiles/broken/set_clang_warning_flags.gypi
+++ /dev/null
@@ -1,59 +0,0 @@
-# Copyright 2016 the V8 project authors. All rights reserved.
-# Copyright (c) 2014 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# This file is meant to be included to set clang-specific compiler flags.
-# To use this the following variable can be defined:
-#   clang_warning_flags:       list: Compiler flags to pass to clang.
-#   clang_warning_flags_unset: list: Compiler flags to not pass to clang.
-#
-# Only use this in third-party code. In chromium_code, fix your code to not
-# warn instead!
-#
-# Note that the gypi file is included in target_defaults, so it does not need
-# to be explicitly included.
-#
-# Warning flags set by this will be used on all platforms. If you want to set
-# warning flags on only some platforms, you have to do so manually.
-#
-# To use this, create a gyp target with the following form:
-# {
-#   'target_name': 'my_target',
-#   'variables': {
-#     'clang_warning_flags': ['-Wno-awesome-warning'],
-#     'clang_warning_flags_unset': ['-Wpreviously-set-flag'],
-#   }
-# }
-
-{
-  'variables': {
-    'clang_warning_flags_unset%': [],  # Provide a default value.
-  },
-  'conditions': [
-    ['clang==1', {
-      # This uses >@ instead of @< to also see clang_warning_flags set in
-      # targets directly, not just the clang_warning_flags in target_defaults.
-      'cflags': [ '>@(clang_warning_flags)' ],
-      'cflags!': [ '>@(clang_warning_flags_unset)' ],
-      'xcode_settings': {
-        'WARNING_CFLAGS': ['>@(clang_warning_flags)'],
-        'WARNING_CFLAGS!': ['>@(clang_warning_flags_unset)'],
-      },
-      'msvs_settings': {
-        'VCCLCompilerTool': {
-          'AdditionalOptions': [ '>@(clang_warning_flags)' ],
-          'AdditionalOptions!': [ '>@(clang_warning_flags_unset)' ],
-        },
-      },
-    }],
-    ['clang==0 and host_clang==1', {
-      'target_conditions': [
-        ['_toolset=="host"', {
-          'cflags': [ '>@(clang_warning_flags)' ],
-          'cflags!': [ '>@(clang_warning_flags_unset)' ],
-        }],
-      ],
-    }],
-  ],
-}
diff --git a/tools/v8_gypfiles/broken/shim_headers.gypi b/tools/v8_gypfiles/broken/shim_headers.gypi
deleted file mode 100644
index 940211c2401c43..00000000000000
--- a/tools/v8_gypfiles/broken/shim_headers.gypi
+++ /dev/null
@@ -1,73 +0,0 @@
-# Copyright 2013 the V8 project authors. All rights reserved.
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-#       notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-#       copyright notice, this list of conditions and the following
-#       disclaimer in the documentation and/or other materials provided
-#       with the distribution.
-#     * Neither the name of Google Inc. nor the names of its
-#       contributors may be used to endorse or promote products derived
-#       from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-# This file is meant to be included into a target to handle shim headers
-# in a consistent manner. To use this the following variables need to be
-# defined:
-#   headers_root_path: string: path to directory containing headers
-#   header_filenames: list: list of header file names
-
-{
-  'variables': {
-    'shim_headers_path': '<(SHARED_INTERMEDIATE_DIR)/shim_headers/<(_target_name)/<(_toolset)',
-    'shim_generator_additional_args%': [],
-  },
-  'include_dirs++': [
-    '<(shim_headers_path)',
-  ],
-  'all_dependent_settings': {
-    'include_dirs+++': [
-      '<(shim_headers_path)',
-    ],
-  },
-  'actions': [
-    {
-      'variables': {
-        'generator_path': '<(DEPTH)/tools/generate_shim_headers/generate_shim_headers.py',
-        'generator_args': [
-          '--headers-root', '<(headers_root_path)',
-          '--output-directory', '<(shim_headers_path)',
-          '<@(shim_generator_additional_args)',
-          '<@(header_filenames)',
-        ],
-      },
-      'action_name': 'generate_<(_target_name)_shim_headers',
-      'inputs': [
-        '<(generator_path)',
-      ],
-      'outputs': [
-        '<!@pymod_do_main(generate_shim_headers <@(generator_args) --outputs)',
-      ],
-      'action': ['python',
-                 '<(generator_path)',
-                 '<@(generator_args)',
-                 '--generate',
-      ],
-      'message': 'Generating <(_target_name) shim headers.',
-    },
-  ],
-}
diff --git a/tools/v8_gypfiles/broken/standalone.gypi b/tools/v8_gypfiles/broken/standalone.gypi
deleted file mode 100644
index f01067943405d3..00000000000000
--- a/tools/v8_gypfiles/broken/standalone.gypi
+++ /dev/null
@@ -1,1403 +0,0 @@
-# Copyright 2012 the V8 project authors. All rights reserved.
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-#       notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-#       copyright notice, this list of conditions and the following
-#       disclaimer in the documentation and/or other materials provided
-#       with the distribution.
-#     * Neither the name of Google Inc. nor the names of its
-#       contributors may be used to endorse or promote products derived
-#       from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-# Definitions to be used when building stand-alone V8 binaries.
-
-{
-  # We need to include toolchain.gypi here for third-party sources that don't
-  # directly include it themselves.
-  'includes': ['toolchain.gypi'],
-  'variables': {
-    'component%': 'static_library',
-    'clang_xcode%': 0,
-    # Track where uninitialized memory originates from. From fastest to
-    # slowest: 0 - no tracking, 1 - track only the initial allocation site, 2
-    # - track the chain of stores leading from allocation site to use site.
-    'msan_track_origins%': 2,
-    'visibility%': 'hidden',
-    'v8_enable_backtrace%': 0,
-    'v8_enable_i18n_support%': 1,
-    'v8_deprecation_warnings': 1,
-    'v8_imminent_deprecation_warnings': 1,
-    'v8_check_microtasks_scopes_consistency': 1,
-    'msvs_multi_core_compile%': '1',
-    'mac_deployment_target%': '10.7',
-    'release_extra_cflags%': '',
-    'variables': {
-      'variables': {
-        'variables': {
-          'variables': {
-            'conditions': [
-              ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or \
-                 OS=="netbsd" or OS=="mac" or OS=="qnx" or OS=="aix"', {
-                # This handles the Unix platforms we generally deal with.
-                # Anything else gets passed through, which probably won't work
-                # very well; such hosts should pass an explicit target_arch
-                # to gyp.
-                'host_arch%': '<!pymod_do_main(detect_v8_host_arch)',
-              }, {
-                # OS!="linux" and OS!="freebsd" and OS!="openbsd" and
-                # OS!="netbsd" and OS!="mac" and OS!="aix"
-                'host_arch%': 'ia32',
-              }],
-            ],
-          },
-          'host_arch%': '<(host_arch)',
-          'target_arch%': '<(host_arch)',
-
-          # By default we build against a stable sysroot image to avoid
-          # depending on the packages installed on the local machine. Set this
-          # to 0 to build against locally installed headers and libraries (e.g.
-          # if packaging for a linux distro)
-          'use_sysroot%': 1,
-        },
-        'host_arch%': '<(host_arch)',
-        'target_arch%': '<(target_arch)',
-        'use_sysroot%': '<(use_sysroot)',
-        'base_dir%': '<!(cd <(DEPTH) && python -c "import os; print os.getcwd()")',
-
-        # Instrument for code coverage and use coverage wrapper to exclude some
-        # files. Uses gcov if clang=0 is set explicitly. Otherwise,
-        # sanitizer_coverage must be set too.
-        'coverage%': 0,
-
-        # Default sysroot if no sysroot can be provided.
-        'sysroot%': '',
-
-        'conditions': [
-          # The system root for linux builds.
-          ['OS=="linux" and use_sysroot==1', {
-            'conditions': [
-              ['target_arch=="arm"', {
-                'sysroot%': '<!(cd <(DEPTH) && pwd -P)/build/linux/debian_sid_arm-sysroot',
-              }],
-              ['target_arch=="x64"', {
-                'sysroot%': '<!(cd <(DEPTH) && pwd -P)/build/linux/debian_sid_amd64-sysroot',
-              }],
-              ['target_arch=="ia32"', {
-                'sysroot%': '<!(cd <(DEPTH) && pwd -P)/build/linux/debian_sid_i386-sysroot',
-              }],
-              ['target_arch=="mipsel"', {
-                'sysroot%': '<!(cd <(DEPTH) && pwd -P)/build/linux/debian_sid_mips-sysroot',
-              }],
-            ],
-          }], # OS=="linux" and use_sysroot==1
-        ],
-      },
-      'base_dir%': '<(base_dir)',
-      'host_arch%': '<(host_arch)',
-      'target_arch%': '<(target_arch)',
-      'v8_target_arch%': '<(target_arch)',
-      'coverage%': '<(coverage)',
-      'sysroot%': '<(sysroot)',
-      'asan%': 0,
-      'lsan%': 0,
-      'msan%': 0,
-      'tsan%': 0,
-      # Enable coverage gathering instrumentation in sanitizer tools. This flag
-      # also controls coverage granularity (1 for function-level, 2 for
-      # block-level, 3 for edge-level).
-      'sanitizer_coverage%': 0,
-
-      # Use dynamic libraries instrumented by one of the sanitizers
-      # instead of the standard system libraries. Set this flag to download
-      # prebuilt binaries from GCS.
-      'use_prebuilt_instrumented_libraries%': 0,
-
-      # Use libc++ (buildtools/third_party/libc++ and
-      # buildtools/third_party/libc++abi) instead of stdlibc++ as standard
-      # library. This is intended to be used for instrumented builds.
-      'use_custom_libcxx%': 0,
-
-      'clang_dir%': '<(base_dir)/third_party/llvm-build/Release+Asserts',
-      'make_clang_dir%': '<(base_dir)/third_party/llvm-build/Release+Asserts',
-
-      # Control Flow Integrity for virtual calls and casts.
-      # See http://clang.llvm.org/docs/ControlFlowIntegrity.html
-      'cfi_vptr%': 0,
-      'cfi_diag%': 0,
-
-      'cfi_blacklist%': '<(base_dir)/tools/cfi/blacklist.txt',
-
-      # Set to 1 to enable fast builds.
-      # TODO(machenbach): Only configured for windows.
-      'fastbuild%': 0,
-
-      # goma settings.
-      # 1 to use goma.
-      # If no gomadir is set, it uses the default gomadir.
-      'use_goma%': 0,
-      'gomadir%': '',
-
-      'test_isolation_mode%': 'noop',
-
-      # By default, use ICU data file (icudtl.dat).
-      'icu_use_data_file_flag%': 1,
-
-      'conditions': [
-        # Set default gomadir.
-        ['OS=="win"', {
-          'gomadir': 'c:\\goma\\goma-win',
-        }, {
-          'gomadir': '<!(/bin/echo -n ${HOME}/goma)',
-        }],
-        ['host_arch!="ppc" and host_arch!="ppc64" and host_arch!="ppc64le" and host_arch!="s390x"', {
-          'host_clang%': 1,
-        }, {
-          'host_clang%': 0,
-        }],
-        # linux_use_bundled_gold: whether to use the gold linker binary checked
-        # into third_party/binutils.  Force this off via GYP_DEFINES when you
-        # are using a custom toolchain and need to control -B in ldflags.
-        # Do not use 32-bit gold on 32-bit hosts as it runs out address space
-        # for component=static_library builds.
-        ['((OS=="linux" or OS=="android") and (target_arch=="x64" or target_arch=="arm" or (target_arch=="ia32" and host_arch=="x64"))) or (OS=="linux" and target_arch=="mipsel")', {
-          'linux_use_bundled_gold%': 1,
-        }, {
-          'linux_use_bundled_gold%': 0,
-        }],
-      ],
-    },
-    'base_dir%': '<(base_dir)',
-    'clang_dir%': '<(clang_dir)',
-    'make_clang_dir%': '<(make_clang_dir)',
-    'host_arch%': '<(host_arch)',
-    'host_clang%': '<(host_clang)',
-    'target_arch%': '<(target_arch)',
-    'v8_target_arch%': '<(v8_target_arch)',
-    'werror%': '-Werror',
-    'use_goma%': '<(use_goma)',
-    'gomadir%': '<(gomadir)',
-    'asan%': '<(asan)',
-    'lsan%': '<(lsan)',
-    'msan%': '<(msan)',
-    'tsan%': '<(tsan)',
-    'sanitizer_coverage%': '<(sanitizer_coverage)',
-    'use_prebuilt_instrumented_libraries%': '<(use_prebuilt_instrumented_libraries)',
-    'use_custom_libcxx%': '<(use_custom_libcxx)',
-    'linux_use_bundled_gold%': '<(linux_use_bundled_gold)',
-    'cfi_vptr%': '<(cfi_vptr)',
-    'cfi_diag%': '<(cfi_diag)',
-    'cfi_blacklist%': '<(cfi_blacklist)',
-    'test_isolation_mode%': '<(test_isolation_mode)',
-    'fastbuild%': '<(fastbuild)',
-    'coverage%': '<(coverage)',
-    'sysroot%': '<(sysroot)',
-    'icu_use_data_file_flag%': '<(icu_use_data_file_flag)',
-
-    # .gyp files or targets should set v8_code to 1 if they build V8 specific
-    # code, as opposed to external code.  This variable is used to control such
-    # things as the set of warnings to enable, and whether warnings are treated
-    # as errors.
-    'v8_code%': 0,
-
-    # Speeds up Debug builds:
-    # 0 - Compiler optimizations off (debuggable) (default). This may
-    #     be 5x slower than Release (or worse).
-    # 1 - Turn on optimizations and disable slow DCHECKs, but leave
-    #     V8_ENABLE_CHECKS and most other assertions enabled.  This may cause
-    #     some v8 tests to fail in the Debug configuration.  This roughly
-    #     matches the performance of a Release build and can be used by
-    #     embedders that need to build their own code as debug but don't want
-    #     or need a debug version of V8. This should produce near-release
-    #     speeds.
-    'v8_optimized_debug%': 0,
-
-    # Relative path to icu.gyp from this file.
-    'icu_gyp_path': '../third_party/icu/icu.gyp',
-
-    'conditions': [
-      ['(v8_target_arch=="arm" and host_arch!="arm") or \
-        (v8_target_arch=="arm64" and host_arch!="arm64") or \
-        (v8_target_arch=="mipsel" and host_arch!="mipsel") or \
-        (v8_target_arch=="mips64el" and host_arch!="mips64el") or \
-        (v8_target_arch=="x64" and host_arch!="x64") or \
-        (OS=="android" or OS=="qnx")', {
-        'want_separate_host_toolset': 1,
-      }, {
-        'want_separate_host_toolset': 0,
-      }],
-      ['OS == "win"', {
-        'os_posix%': 0,
-      }, {
-        'os_posix%': 1,
-      }],
-      ['OS=="win" and use_goma==1', {
-        # goma doesn't support pch yet.
-        'chromium_win_pch': 0,
-        # goma doesn't support PDB yet.
-        'fastbuild%': 1,
-      }],
-      ['((v8_target_arch=="ia32" or v8_target_arch=="x64") and \
-        (OS=="linux" or OS=="mac")) or (v8_target_arch=="ppc64" and OS=="linux")', {
-        'v8_enable_gdbjit%': 1,
-      }, {
-        'v8_enable_gdbjit%': 0,
-      }],
-      ['(OS=="linux" or OS=="mac") and (target_arch=="ia32" or target_arch=="x64") and \
-        v8_target_arch!="x32"', {
-        'clang%': 1,
-      }, {
-        'clang%': 0,
-      }],
-      ['asan==1 or lsan==1 or msan==1 or tsan==1', {
-        'clang%': 1,
-        'use_allocator%': 'none',
-      }],
-      ['asan==1 and OS=="linux"', {
-        'use_custom_libcxx%': 1,
-      }],
-      ['tsan==1', {
-        'use_custom_libcxx%': 1,
-      }],
-      ['msan==1', {
-        # Use a just-built, MSan-instrumented libc++ instead of the system-wide
-        # libstdc++. This is required to avoid false positive reports whenever
-        # the C++ standard library is used.
-        'use_custom_libcxx%': 1,
-      }],
-      ['OS=="android"', {
-        # Location of Android NDK.
-        'variables': {
-          'variables': {
-            # The Android toolchain needs to use the absolute path to the NDK
-            # because it is used at different levels in the GYP files.
-            'android_ndk_root%': '<(base_dir)/third_party/android_ndk/',
-            'android_host_arch%': "<!(uname -m | sed -e 's/i[3456]86/x86/')",
-            # Version of the NDK. Used to ensure full rebuilds on NDK rolls.
-            'android_ndk_version%': 'r12b',
-            'host_os%': "<!(uname -s | sed -e 's/Linux/linux/;s/Darwin/mac/')",
-            'os_folder_name%': "<!(uname -s | sed -e 's/Linux/linux/;s/Darwin/darwin/')",
-          },
-
-          # Copy conditionally-set variables out one scope.
-          'android_ndk_root%': '<(android_ndk_root)',
-          'android_ndk_version%': '<(android_ndk_version)',
-          'host_os%': '<(host_os)',
-          'os_folder_name%': '<(os_folder_name)',
-
-          'conditions': [
-            ['target_arch == "ia32"', {
-              'android_toolchain%': '<(android_ndk_root)/toolchains/x86-4.9/prebuilt/<(os_folder_name)-<(android_host_arch)/bin',
-              'android_target_arch%': 'x86',
-              'android_target_platform%': '16',
-              'arm_version%': 'default',
-            }],
-            ['target_arch == "x64"', {
-              'android_toolchain%': '<(android_ndk_root)/toolchains/x86_64-4.9/prebuilt/<(os_folder_name)-<(android_host_arch)/bin',
-              'android_target_arch%': 'x86_64',
-              'android_target_platform%': '21',
-              'arm_version%': 'default',
-            }],
-            ['target_arch=="arm"', {
-              'android_toolchain%': '<(android_ndk_root)/toolchains/arm-linux-androideabi-4.9/prebuilt/<(os_folder_name)-<(android_host_arch)/bin',
-              'android_target_arch%': 'arm',
-              'android_target_platform%': '16',
-              'arm_version%': 7,
-            }],
-            ['target_arch == "arm64"', {
-              'android_toolchain%': '<(android_ndk_root)/toolchains/aarch64-linux-android-4.9/prebuilt/<(os_folder_name)-<(android_host_arch)/bin',
-              'android_target_arch%': 'arm64',
-              'android_target_platform%': '21',
-              'arm_version%': 'default',
-            }],
-            ['target_arch == "mipsel"', {
-              'android_toolchain%': '<(android_ndk_root)/toolchains/mipsel-linux-android-4.9/prebuilt/<(os_folder_name)-<(android_host_arch)/bin',
-              'android_target_arch%': 'mips',
-              'android_target_platform%': '16',
-              'arm_version%': 'default',
-            }],
-            ['target_arch == "mips64el"', {
-              'android_toolchain%': '<(android_ndk_root)/toolchains/mips64el-linux-android-4.9/prebuilt/<(os_folder_name)-<(android_host_arch)/bin',
-              'android_target_arch%': 'mips64',
-              'android_target_platform%': '21',
-              'arm_version%': 'default',
-            }],
-          ],
-        },
-
-        # Copy conditionally-set variables out one scope.
-        'android_ndk_version%': '<(android_ndk_version)',
-        'android_target_arch%': '<(android_target_arch)',
-        'android_target_platform%': '<(android_target_platform)',
-        'android_toolchain%': '<(android_toolchain)',
-        'arm_version%': '<(arm_version)',
-        'host_os%': '<(host_os)',
-
-        # Print to stdout on Android.
-        'v8_android_log_stdout%': 1,
-
-        'conditions': [
-          ['android_ndk_root==""', {
-            'variables': {
-              'android_sysroot': '<(android_toolchain)/sysroot/',
-              'android_stl': '<(android_toolchain)/sources/cxx-stl/',
-            },
-            'conditions': [
-              ['target_arch=="x64"', {
-                'android_lib': '<(android_sysroot)/usr/lib64',
-              }, {
-                'android_lib': '<(android_sysroot)/usr/lib',
-              }],
-            ],
-            'android_libcpp_include': '<(android_stl)/llvm-libc++/libcxx/include',
-            'android_libcpp_abi_include': '<(android_stl)/llvm-libc++abi/libcxxabi/include',
-            'android_libcpp_libs': '<(android_stl)/llvm-libc++/libs',
-            'android_support_include': '<(android_toolchain)/sources/android/support/include',
-            'android_sysroot': '<(android_sysroot)',
-          }, {
-            'variables': {
-              'android_sysroot': '<(android_ndk_root)/platforms/android-<(android_target_platform)/arch-<(android_target_arch)',
-              'android_stl': '<(android_ndk_root)/sources/cxx-stl/',
-            },
-            'conditions': [
-              ['target_arch=="x64"', {
-                'android_lib': '<(android_sysroot)/usr/lib64',
-              }, {
-                'android_lib': '<(android_sysroot)/usr/lib',
-              }],
-            ],
-            'android_libcpp_include': '<(android_stl)/llvm-libc++/libcxx/include',
-            'android_libcpp_abi_include': '<(android_stl)/llvm-libc++abi/libcxxabi/include',
-            'android_libcpp_libs': '<(android_stl)/llvm-libc++/libs',
-            'android_support_include': '<(android_ndk_root)/sources/android/support/include',
-            'android_sysroot': '<(android_sysroot)',
-          }],
-        ],
-        'android_libcpp_library': 'c++_static',
-      }],  # OS=="android"
-      ['host_clang==1', {
-        'conditions':[
-          ['OS=="android"', {
-            'host_ld': '<!(which ld)',
-            'host_ranlib': '<!(which ranlib)',
-          }],
-        ],
-        'host_cc': '<(clang_dir)/bin/clang',
-        'host_cxx': '<(clang_dir)/bin/clang++',
-      }, {
-        'host_cc': '<!(which gcc)',
-        'host_cxx': '<!(which g++)',
-      }],
-    ],
-    # Default ARM variable settings.
-    'arm_version%': 'default',
-    'arm_fpu%': 'vfpv3',
-    'arm_float_abi%': 'default',
-    'arm_thumb': 'default',
-
-    # Default MIPS variable settings.
-    'mips_arch_variant%': 'r2',
-    # Possible values fp32, fp64, fpxx.
-    # fp32 - 32 32-bit FPU registers are available, doubles are placed in
-    #        register pairs.
-    # fp64 - 32 64-bit FPU registers are available.
-    # fpxx - compatibility mode, it chooses fp32 or fp64 depending on runtime
-    #        detection
-    'mips_fpu_mode%': 'fp32',
-  },
-  'target_defaults': {
-    'variables': {
-      'v8_code%': '<(v8_code)',
-      'clang_warning_flags': [
-        '-Wsign-compare',
-        # TODO(thakis): https://crbug.com/604888
-        '-Wno-undefined-var-template',
-        # TODO(yangguo): issue 5258
-        '-Wno-nonportable-include-path',
-        '-Wno-tautological-constant-compare',
-      ],
-      'conditions':[
-        ['OS=="android"', {
-          'host_os%': '<(host_os)',
-        }],
-      ],
-    },
-    'includes': [ 'set_clang_warning_flags.gypi', ],
-    'default_configuration': 'Debug',
-    'configurations': {
-      'DebugBaseCommon': {
-        'conditions': [
-          ['OS=="aix"', {
-            'cflags': [ '-g', '-Og', '-gxcoff' ],
-          }, {
-            'cflags': [ '-g', '-O0' ],
-          }],
-        ],
-      },
-      'Optdebug': {
-        'inherit_from': [ 'DebugBaseCommon', 'DebugBase1' ],
-      },
-      'Debug': {
-        # Xcode insists on this empty entry.
-      },
-      'Release': {
-        'cflags+': ['<@(release_extra_cflags)'],
-      },
-      'conditions': [
-        ['OS=="win"', {
-          'Optdebug_x64': {
-            'inherit_from': ['Optdebug'],
-          },
-          'Debug_x64': {
-            'inherit_from': ['Debug'],
-          },
-          'Release_x64': {
-            'inherit_from': ['Release'],
-          },
-        }],
-      ],
-    },
-    'conditions':[
-      ['clang==0', {
-        'cflags+': [
-          '-Wno-uninitialized',
-        ],
-      }],
-      ['clang==1 or host_clang==1', {
-        # This is here so that all files get recompiled after a clang roll and
-        # when turning clang on or off.
-        # (defines are passed via the command line, and build systems rebuild
-        # things when their commandline changes). Nothing should ever read this
-        # define.
-        'defines': ['CR_CLANG_REVISION=<!(python <(DEPTH)/tools/clang/scripts/update.py --print-revision)'],
-      }],
-      ['clang==1 and target_arch=="ia32"', {
-        'cflags': ['-mstack-alignment=16', '-mstackrealign'],
-      }],
-      ['fastbuild!=0', {
-        'conditions': [
-          ['OS=="win" and fastbuild==1', {
-            'msvs_settings': {
-              'VCLinkerTool': {
-                # This tells the linker to generate .pdbs, so that
-                # we can get meaningful stack traces.
-                'GenerateDebugInformation': 'true',
-              },
-              'VCCLCompilerTool': {
-                # No debug info to be generated by compiler.
-                'DebugInformationFormat': '0',
-              },
-            },
-          }],
-        ],
-      }],  # fastbuild!=0
-    ],
-    'target_conditions': [
-      ['v8_code == 0', {
-        'defines!': [
-          'DEBUG',
-        ],
-        'conditions': [
-          ['os_posix == 1 and OS != "mac"', {
-            # We don't want to get warnings from third-party code,
-            # so remove any existing warning-enabling flags like -Wall.
-            'cflags!': [
-              '-pedantic',
-              '-Wall',
-              '-Werror',
-              '-Wextra',
-              '-Wshorten-64-to-32',
-            ],
-            'cflags+': [
-              # Clang considers the `register` keyword as deprecated, but
-              # ICU uses it all over the place.
-              '-Wno-deprecated-register',
-              # ICU uses its own deprecated functions.
-              '-Wno-deprecated-declarations',
-              # ICU prefers `a && b || c` over `(a && b) || c`.
-              '-Wno-logical-op-parentheses',
-              # ICU has some `unsigned < 0` checks.
-              '-Wno-tautological-compare',
-              # uresdata.c has switch(RES_GET_TYPE(x)) code. The
-              # RES_GET_TYPE macro returns an UResType enum, but some switch
-              # statement contains case values that aren't part of that
-              # enum (e.g. URES_TABLE32 which is in UResInternalType). This
-              # is on purpose.
-              '-Wno-switch',
-            ],
-            'cflags_cc!': [
-              '-Wnon-virtual-dtor',
-            ],
-          }],
-          ['OS == "mac"', {
-            'xcode_settings': {
-              'GCC_TREAT_WARNINGS_AS_ERRORS': 'NO',    # -Werror
-            },
-          }],
-          ['OS == "win"', {
-            'msvs_settings': {
-              'VCCLCompilerTool': {
-                'WarnAsError': 'false',
-              },
-            },
-          }],
-        ],
-      }],
-    ],
-  },
-  'conditions': [
-    ['os_posix==1 and OS!="mac"', {
-      'target_defaults': {
-        'conditions': [
-          # Common options for AddressSanitizer, LeakSanitizer,
-          # ThreadSanitizer, MemorySanitizer and CFI builds.
-          ['asan==1 or lsan==1 or tsan==1 or msan==1 or cfi_vptr==1', {
-            'target_conditions': [
-              ['_toolset=="target"', {
-                'cflags': [
-                  '-fno-omit-frame-pointer',
-                  '-gline-tables-only',
-                ],
-                'cflags!': [
-                  '-fomit-frame-pointer',
-                ],
-              }],
-            ],
-          }],
-          ['asan==1', {
-            'target_conditions': [
-              ['_toolset=="target"', {
-                'cflags': [
-                  '-fsanitize=address',
-                ],
-                'ldflags': [
-                  '-fsanitize=address',
-                ],
-                'defines': [
-                  'ADDRESS_SANITIZER',
-                ],
-              }],
-            ],
-          }],
-          ['lsan==1', {
-            'target_conditions': [
-              ['_toolset=="target"', {
-                'cflags': [
-                  '-fsanitize=leak',
-                ],
-                'ldflags': [
-                  '-fsanitize=leak',
-                ],
-                'defines': [
-                  'LEAK_SANITIZER',
-                ],
-              }],
-            ],
-          }],
-          ['tsan==1', {
-            'target_conditions': [
-              ['_toolset=="target"', {
-                'cflags': [
-                  '-fsanitize=thread',
-                ],
-                'ldflags': [
-                  '-fsanitize=thread',
-                ],
-                'defines': [
-                  'THREAD_SANITIZER',
-                ],
-              }],
-            ],
-          }],
-          ['msan==1', {
-            'target_conditions': [
-              ['_toolset=="target"', {
-                'cflags': [
-                  '-fsanitize=memory',
-                  '-fsanitize-memory-track-origins=<(msan_track_origins)',
-                  '-fPIC',
-                ],
-                'ldflags': [
-                  '-fsanitize=memory',
-                  '-pie',
-                ],
-                'defines': [
-                  'MEMORY_SANITIZER',
-                ],
-              }],
-            ],
-          }],
-          ['use_prebuilt_instrumented_libraries==1', {
-            'dependencies': [
-              '<(DEPTH)/third_party/instrumented_libraries/instrumented_libraries.gyp:prebuilt_instrumented_libraries',
-            ],
-          }],
-          ['use_custom_libcxx==1', {
-            'dependencies': [
-              '<(DEPTH)/buildtools/third_party/libc++/libc++.gyp:libcxx_proxy',
-            ],
-          }],
-          ['sanitizer_coverage!=0', {
-            'target_conditions': [
-              ['_toolset=="target"', {
-                'cflags': [
-                  '-fsanitize-coverage=<(sanitizer_coverage)',
-                ],
-                'defines': [
-                  'SANITIZER_COVERAGE',
-                ],
-              }],
-            ],
-          }],
-          ['linux_use_bundled_gold==1', {
-            # Put our binutils, which contains gold in the search path. We pass
-            # the path to gold to the compiler. gyp leaves unspecified what the
-            # cwd is when running the compiler, so the normal gyp path-munging
-            # fails us. This hack gets the right path.
-            'ldflags': [
-              # Note, Chromium allows ia32 host arch as well, we limit this to
-              # x64 in v8.
-              '-B<(base_dir)/third_party/binutils/Linux_x64/Release/bin',
-            ],
-          }],
-          ['sysroot!="" and clang==1', {
-            'target_conditions': [
-              ['_toolset=="target"', {
-                'variables': {
-                  'ld_paths': ['<!(<(DEPTH)/build/linux/sysroot_ld_path.sh <(sysroot))'],
-                },
-                'cflags': [
-                  '--sysroot=<(sysroot)',
-                ],
-                'ldflags': [
-                  '--sysroot=<(sysroot)',
-                  '<!(<(base_dir)/gypfiles/sysroot_ld_flags.sh <@(ld_paths))',
-                ],
-              }]]
-          }],
-        ],
-      },
-    }],
-    ['OS=="mac"', {
-      'target_defaults': {
-       'conditions': [
-          ['asan==1', {
-            'xcode_settings': {
-              # FIXME(machenbach): This is outdated compared to common.gypi.
-              'OTHER_CFLAGS+': [
-                '-fno-omit-frame-pointer',
-                '-gline-tables-only',
-                '-fsanitize=address',
-                '-w',  # http://crbug.com/162783
-              ],
-              'OTHER_CFLAGS!': [
-                '-fomit-frame-pointer',
-              ],
-              'defines': [
-                'ADDRESS_SANITIZER',
-              ],
-            },
-            'dependencies': [
-              '<(DEPTH)/gypfiles/mac/asan.gyp:asan_dynamic_runtime',
-            ],
-            'target_conditions': [
-              ['_type!="static_library"', {
-                'xcode_settings': {'OTHER_LDFLAGS': ['-fsanitize=address']},
-              }],
-            ],
-          }],
-          ['sanitizer_coverage!=0', {
-            'target_conditions': [
-              ['_toolset=="target"', {
-                'cflags': [
-                  '-fsanitize-coverage=<(sanitizer_coverage)',
-                ],
-                'defines': [
-                  'SANITIZER_COVERAGE',
-                ],
-              }],
-            ],
-          }],
-        ],
-      },  # target_defaults
-    }],  # OS=="mac"
-    ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" \
-       or OS=="netbsd" or OS=="aix"', {
-      'target_defaults': {
-        'cflags': [
-          '-Wall',
-          '<(werror)',
-          '-Wno-unused-parameter',
-          '-pthread',
-          '-pedantic',
-          '-Wno-missing-field-initializers',
-          '-Wno-gnu-zero-variadic-macro-arguments',
-        ],
-        'cflags_cc': [
-          '-Wnon-virtual-dtor',
-          '-fno-exceptions',
-          '-fno-rtti',
-          '-std=gnu++11',
-        ],
-        'ldflags': [ '-pthread', ],
-        'conditions': [
-          # Don't warn about TRACE_EVENT_* macros with zero arguments passed to
-          # ##__VA_ARGS__. C99 strict mode prohibits having zero variadic macro
-          # arguments in gcc.
-          [ 'clang==0', {
-            'cflags!' : [
-              '-pedantic' ,
-              # Don't warn about unrecognized command line option.
-              '-Wno-gnu-zero-variadic-macro-arguments',
-            ],
-            'cflags' : [
-              # Disable gcc warnings for optimizations based on the assumption
-              # that signed overflow does not occur. Generates false positives
-              # (see http://crbug.com/v8/6341).
-              "-Wno-strict-overflow",
-              # Don't rely on strict aliasing; v8 does weird pointer casts all
-              # over the place.
-              '-fno-strict-aliasing',
-            ],
-          }, {
-            'cflags' : [
-              # TODO(hans): https://crbug.com/767059
-              '-Wno-tautological-constant-compare',
-            ],
-          }],
-          [ 'clang==1 and (v8_target_arch=="x64" or v8_target_arch=="arm64" \
-            or v8_target_arch=="mips64el")', {
-            'cflags': [ '-Wshorten-64-to-32' ],
-          }],
-          [ 'host_arch=="ppc64" and OS!="aix"', {
-            'cflags': [ '-mminimal-toc' ],
-          }],
-          [ 'visibility=="hidden" and v8_enable_backtrace==0', {
-            'cflags': [ '-fvisibility=hidden' ],
-          }],
-          [ 'component=="shared_library"', {
-            'cflags': [ '-fPIC', ],
-          }],
-          [ 'clang==0 and coverage==1', {
-            'cflags': [ '-fprofile-arcs', '-ftest-coverage'],
-            'ldflags': [ '-fprofile-arcs'],
-          }],
-        ],
-      },
-    }],
-    # 'OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris"
-    #  or OS=="netbsd"'
-    ['OS=="qnx"', {
-      'target_defaults': {
-        'cflags': [
-          '-Wall',
-          '<(werror)',
-          '-Wno-unused-parameter',
-          # Don't warn about the "struct foo f = {0};" initialization pattern.
-          '-Wno-missing-field-initializers',
-          '-Wno-gnu-zero-variadic-macro-arguments',
-        ],
-        'cflags_cc': [
-          '-Wnon-virtual-dtor',
-          '-fno-exceptions',
-          '-fno-rtti',
-          '-std=gnu++11',
-        ],
-        'conditions': [
-          [ 'visibility=="hidden"', {
-            'cflags': [ '-fvisibility=hidden' ],
-          }],
-          [ 'component=="shared_library"', {
-            'cflags': [ '-fPIC' ],
-          }],
-        ],
-        'target_conditions': [
-          [ '_toolset=="host" and host_os=="linux"', {
-            'cflags': [ '-pthread' ],
-            'ldflags': [ '-pthread' ],
-            'libraries': [ '-lrt' ],
-          }],
-          [ '_toolset=="target"', {
-            'cflags': [ '-Wno-psabi' ],
-            'libraries': [ '-lbacktrace', '-lsocket', '-lm' ],
-          }],
-        ],
-      },
-    }],  # OS=="qnx"
-    ['OS=="win"', {
-      'target_defaults': {
-        'defines': [
-          '_CRT_SECURE_NO_DEPRECATE',
-          '_CRT_NONSTDC_NO_DEPRECATE',
-          '_USING_V110_SDK71_',
-        ],
-        'conditions': [
-          ['component=="static_library"', {
-            'defines': [
-              '_HAS_EXCEPTIONS=0',
-            ],
-          }],
-        ],
-        'msvs_cygwin_shell': 0,
-        'msvs_disabled_warnings': [
-          # C4091: 'typedef ': ignored on left of 'X' when no variable is
-          #                    declared.
-          # This happens in a number of Windows headers. Dumb.
-          4091,
-
-          # C4127: conditional expression is constant
-          # This warning can in theory catch dead code and other problems, but
-          # triggers in far too many desirable cases where the conditional
-          # expression is either set by macros or corresponds some legitimate
-          # compile-time constant expression (due to constant template args,
-          # conditionals comparing the sizes of different types, etc.).  Some of
-          # these can be worked around, but it's not worth it.
-          4127,
-
-          # C4351: new behavior: elements of array 'array' will be default
-          #        initialized
-          # This is a silly "warning" that basically just alerts you that the
-          # compiler is going to actually follow the language spec like it's
-          # supposed to, instead of not following it like old buggy versions
-          # did.  There's absolutely no reason to turn this on.
-          4351,
-
-          # C4355: 'this': used in base member initializer list
-          # It's commonly useful to pass |this| to objects in a class'
-          # initializer list.  While this warning can catch real bugs, most of
-          # the time the constructors in question don't attempt to call methods
-          # on the passed-in pointer (until later), and annotating every legit
-          # usage of this is simply more hassle than the warning is worth.
-          4355,
-
-          # C4503: 'identifier': decorated name length exceeded, name was
-          #        truncated
-          # This only means that some long error messages might have truncated
-          # identifiers in the presence of lots of templates.  It has no effect
-          # on program correctness and there's no real reason to waste time
-          # trying to prevent it.
-          4503,
-
-          # Warning C4589 says: "Constructor of abstract class ignores
-          # initializer for virtual base class." Disable this warning because it
-          # is flaky in VS 2015 RTM. It triggers on compiler generated
-          # copy-constructors in some cases.
-          4589,
-
-          # C4611: interaction between 'function' and C++ object destruction is
-          #        non-portable
-          # This warning is unavoidable when using e.g. setjmp/longjmp.  MSDN
-          # suggests using exceptions instead of setjmp/longjmp for C++, but
-          # Chromium code compiles without exception support.  We therefore have
-          # to use setjmp/longjmp for e.g. JPEG decode error handling, which
-          # means we have to turn off this warning (and be careful about how
-          # object destruction happens in such cases).
-          4611,
-
-          # TODO(jochen): These warnings are level 4. They will be slowly
-          # removed as code is fixed.
-          4100, # Unreferenced formal parameter
-          4121, # Alignment of a member was sensitive to packing
-          4244, # Conversion from 'type1' to 'type2', possible loss of data
-          4302, # Truncation from 'type 1' to 'type 2'
-          4309, # Truncation of constant value
-          4311, # Pointer truncation from 'type' to 'type'
-          4312, # Conversion from 'type1' to 'type2' of greater size
-          4505, # Unreferenced local function has been removed
-          4510, # Default constructor could not be generated
-          4512, # Assignment operator could not be generated
-          4610, # Object can never be instantiated
-          4800, # Forcing value to bool.
-          4838, # Narrowing conversion. Doesn't seem to be very useful.
-          4995, # 'X': name was marked as #pragma deprecated
-          4996, # 'X': was declared deprecated (for GetVersionEx).
-
-          # These are variable shadowing warnings that are new in VS2015. We
-          # should work through these at some point -- they may be removed from
-          # the RTM release in the /W4 set.
-          4456, 4457, 4458, 4459,
-        ],
-        'msvs_settings': {
-          'VCCLCompilerTool': {
-            'MinimalRebuild': 'false',
-            'BufferSecurityCheck': 'true',
-            'EnableFunctionLevelLinking': 'true',
-            'RuntimeTypeInfo': 'false',
-            'WarningLevel': '3',
-            'WarnAsError': 'true',
-            'DebugInformationFormat': '3',
-            'Detect64BitPortabilityProblems': 'false',
-            'conditions': [
-              [ 'msvs_multi_core_compile', {
-                'AdditionalOptions': ['/MP'],
-              }],
-              ['component=="shared_library"', {
-                'ExceptionHandling': '1',  # /EHsc
-              }, {
-                'ExceptionHandling': '0',
-              }],
-            ],
-          },
-          'VCLibrarianTool': {
-            'AdditionalOptions': ['/ignore:4221'],
-            'conditions': [
-              ['v8_target_arch=="x64"', {
-                'TargetMachine': '17',  # x64
-              }, {
-                'TargetMachine': '1',  # ia32
-              }],
-            ],
-          },
-          'VCLinkerTool': {
-            'AdditionalDependencies': [
-              'ws2_32.lib',
-            ],
-            'GenerateDebugInformation': 'true',
-            'MapFileName': '$(OutDir)\\$(TargetName).map',
-            'ImportLibrary': '$(OutDir)\\lib\\$(TargetName).lib',
-            'FixedBaseAddress': '1',
-            # LinkIncremental values:
-            #   0 == default
-            #   1 == /INCREMENTAL:NO
-            #   2 == /INCREMENTAL
-            'LinkIncremental': '1',
-            # SubSystem values:
-            #   0 == not set
-            #   1 == /SUBSYSTEM:CONSOLE
-            #   2 == /SUBSYSTEM:WINDOWS
-            'SubSystem': '1',
-
-            'conditions': [
-              ['v8_enable_i18n_support==1', {
-                'AdditionalDependencies': [
-                  'advapi32.lib',
-                ],
-              }],
-              ['v8_target_arch=="x64"', {
-                'MinimumRequiredVersion': '5.02',  # Server 2003.
-                'TargetMachine': '17',  # x64
-              }, {
-                'MinimumRequiredVersion': '5.01',  # XP.
-                'TargetMachine': '1',  # ia32
-              }],
-            ],
-          },
-          'conditions': [
-            ['clang==1', {
-              'VCCLCompilerTool': {
-                'AdditionalOptions': [
-                  # Don't warn about unused function parameters.
-                  # (This is also used on other platforms.)
-                  '-Wno-unused-parameter',
-                  # Don't warn about the "struct foo f = {0};" initialization
-                  # pattern.
-                  '-Wno-missing-field-initializers',
-
-                  # TODO(hans): Make this list shorter eventually, http://crbug.com/504657
-                  '-Qunused-arguments',  # http://crbug.com/504658
-                  '-Wno-microsoft-enum-value',  # http://crbug.com/505296
-                  '-Wno-unknown-pragmas',  # http://crbug.com/505314
-                  '-Wno-microsoft-cast',  # http://crbug.com/550065
-                ],
-              },
-            }],
-            ['clang==1 and MSVS_VERSION == "2013"', {
-              'VCCLCompilerTool': {
-                'AdditionalOptions': [
-                  '-fmsc-version=1800',
-                ],
-              },
-            }],
-            ['clang==1 and MSVS_VERSION == "2015"', {
-              'VCCLCompilerTool': {
-                'AdditionalOptions': [
-                  '-fmsc-version=1900',
-                ],
-              },
-            }],
-          ],
-        },
-      },
-    }],  # OS=="win"
-    ['OS=="mac"', {
-      'xcode_settings': {
-        'SDKROOT': 'macosx',
-        'SYMROOT': '<(DEPTH)/xcodebuild',
-      },
-      'target_defaults': {
-        'xcode_settings': {
-          'ALWAYS_SEARCH_USER_PATHS': 'NO',
-          'GCC_C_LANGUAGE_STANDARD': 'c99',         # -std=c99
-          'GCC_CW_ASM_SYNTAX': 'NO',                # No -fasm-blocks
-          'GCC_DYNAMIC_NO_PIC': 'NO',               # No -mdynamic-no-pic
-                                                    # (Equivalent to -fPIC)
-          'GCC_ENABLE_CPP_EXCEPTIONS': 'NO',        # -fno-exceptions
-          'GCC_ENABLE_CPP_RTTI': 'NO',              # -fno-rtti
-          'GCC_ENABLE_PASCAL_STRINGS': 'NO',        # No -mpascal-strings
-          # GCC_INLINES_ARE_PRIVATE_EXTERN maps to -fvisibility-inlines-hidden
-          'GCC_INLINES_ARE_PRIVATE_EXTERN': 'YES',
-          'GCC_SYMBOLS_PRIVATE_EXTERN': 'YES',      # -fvisibility=hidden
-          'GCC_THREADSAFE_STATICS': 'NO',           # -fno-threadsafe-statics
-          'GCC_WARN_NON_VIRTUAL_DESTRUCTOR': 'YES', # -Wnon-virtual-dtor
-          # MACOSX_DEPLOYMENT_TARGET maps to -mmacosx-version-min
-          'MACOSX_DEPLOYMENT_TARGET': '<(mac_deployment_target)',
-          'PREBINDING': 'NO',                       # No -Wl,-prebind
-          'SYMROOT': '<(DEPTH)/xcodebuild',
-          'USE_HEADERMAP': 'NO',
-          'OTHER_CFLAGS': [
-            '-fno-strict-aliasing',
-          ],
-          'WARNING_CFLAGS': [
-            '-Wall',
-            '-Wendif-labels',
-            '-Wno-unused-parameter',
-            # Don't warn about the "struct foo f = {0};" initialization pattern.
-            '-Wno-missing-field-initializers',
-            '-Wno-gnu-zero-variadic-macro-arguments',
-          ],
-        },
-        'conditions': [
-          ['werror==""', {
-            'xcode_settings': {'GCC_TREAT_WARNINGS_AS_ERRORS': 'NO'},
-          }, {
-            'xcode_settings': {'GCC_TREAT_WARNINGS_AS_ERRORS': 'YES'},
-          }],
-          ['clang==1', {
-            'xcode_settings': {
-              'GCC_VERSION': 'com.apple.compilers.llvm.clang.1_0',
-              'CLANG_CXX_LANGUAGE_STANDARD': 'c++11',  # -std=c++11
-            },
-            'conditions': [
-              ['clang_xcode==0', {
-                'xcode_settings': {
-                  'CC': '<(clang_dir)/bin/clang',
-                  'LDPLUSPLUS': '<(clang_dir)/bin/clang++',
-                  'CLANG_CXX_LIBRARY': 'libc++'
-                },
-              }],
-              ['v8_target_arch=="x64" or v8_target_arch=="arm64" \
-                or v8_target_arch=="mips64el"', {
-                'xcode_settings': {'WARNING_CFLAGS': ['-Wshorten-64-to-32']},
-              }],
-            ],
-          }],
-        ],
-        'target_conditions': [
-          ['_type!="static_library"', {
-            'xcode_settings': {'OTHER_LDFLAGS': ['-Wl,-search_paths_first']},
-          }],
-        ],  # target_conditions
-      },  # target_defaults
-    }],  # OS=="mac"
-    ['OS=="android"', {
-      'target_defaults': {
-        'defines': [
-          'ANDROID',
-        ],
-        'configurations': {
-          'Release': {
-            'cflags': [
-              '-fomit-frame-pointer',
-            ],
-          },  # Release
-        },  # configurations
-        'cflags': [ '-Wno-abi', '-Wall', '-W', '-Wno-unused-parameter'],
-        'cflags_cc': [ '-Wnon-virtual-dtor', '-fno-rtti', '-fno-exceptions',
-                       '-std=gnu++11' ],
-        'target_conditions': [
-          ['_toolset=="target"', {
-            'cflags!': [
-              '-pthread',  # Not supported by Android toolchain.
-            ],
-            'cflags': [
-              '-ffunction-sections',
-              '-funwind-tables',
-              '-fstack-protector',
-              '-fno-short-enums',
-              '-finline-limit=64',
-              '-Wa,--noexecstack',
-              '--sysroot=<(android_sysroot)',
-            ],
-            'cflags_cc': [
-              '-isystem<(android_libcpp_include)',
-              '-isystem<(android_libcpp_abi_include)',
-              '-isystem<(android_support_include)',
-            ],
-            'defines': [
-              'ANDROID',
-              #'__GNU_SOURCE=1',  # Necessary for clone()
-              'HAVE_OFF64_T',
-              'HAVE_SYS_UIO_H',
-              'ANDROID_BINSIZE_HACK', # Enable temporary hacks to reduce binsize.
-              'ANDROID_NDK_VERSION=<(android_ndk_version)',
-            ],
-            'ldflags!': [
-              '-pthread',  # Not supported by Android toolchain.
-            ],
-            'ldflags': [
-              '-Wl,--no-undefined',
-              '--sysroot=<(android_sysroot)',
-              '-nostdlib',
-            ],
-            'libraries!': [
-                '-lrt',  # librt is built into Bionic.
-                # Not supported by Android toolchain.
-                # Where do these come from?  Can't find references in
-                # any Chromium gyp or gypi file.  Maybe they come from
-                # gyp itself?
-                '-lpthread', '-lnss3', '-lnssutil3', '-lsmime3', '-lplds4', '-lplc4', '-lnspr4',
-              ],
-              'libraries': [
-                '-l<(android_libcpp_library)',
-                '-latomic',
-                # Manually link the libgcc.a that the cross compiler uses.
-                '<!(<(android_toolchain)/*-gcc -print-libgcc-file-name)',
-                '-lc',
-                '-ldl',
-                '-lm',
-            ],
-            'conditions': [
-              ['target_arch == "arm"', {
-                'ldflags': [
-                  # Enable identical code folding to reduce size.
-                  '-Wl,--icf=safe',
-                ],
-              }],
-              ['target_arch=="arm" and arm_version==7', {
-                'cflags': [
-                  '-march=armv7-a',
-                  '-mtune=cortex-a8',
-                  '-mfpu=vfp3',
-                ],
-                'ldflags': [
-                  '-L<(android_libcpp_libs)/armeabi-v7a',
-                ],
-              }],
-              ['target_arch=="arm" and arm_version < 7', {
-                'ldflags': [
-                  '-L<(android_libcpp_libs)/armeabi',
-                ],
-              }],
-              ['target_arch=="x64"', {
-                'ldflags': [
-                  '-L<(android_libcpp_libs)/x86_64',
-                ],
-              }],
-              ['target_arch=="arm64"', {
-                'ldflags': [
-                  '-L<(android_libcpp_libs)/arm64-v8a',
-                ],
-              }],
-              ['target_arch=="ia32"', {
-                # The x86 toolchain currently has problems with stack-protector.
-                'cflags!': [
-                  '-fstack-protector',
-                ],
-                'cflags': [
-                  '-fno-stack-protector',
-                ],
-                'ldflags': [
-                  '-L<(android_libcpp_libs)/x86',
-                ],
-              }],
-              ['target_arch=="mipsel"', {
-                # The mips toolchain currently has problems with stack-protector.
-                'cflags!': [
-                  '-fstack-protector',
-                  '-U__linux__'
-                ],
-                'cflags': [
-                  '-fno-stack-protector',
-                ],
-                'ldflags': [
-                  '-L<(android_libcpp_libs)/mips',
-                ],
-              }],
-              ['(target_arch=="arm" or target_arch=="arm64" or target_arch=="x64" or target_arch=="ia32") and component!="shared_library"', {
-                'cflags': [
-                  '-fPIE',
-                ],
-                'ldflags': [
-                  '-pie',
-                ],
-              }],
-            ],
-            'target_conditions': [
-              ['_type=="executable"', {
-                'conditions': [
-                  ['target_arch=="arm64" or target_arch=="x64"', {
-                    'ldflags': [
-                      '-Wl,-dynamic-linker,/system/bin/linker64',
-                    ],
-                  }, {
-                    'ldflags': [
-                      '-Wl,-dynamic-linker,/system/bin/linker',
-                    ],
-                  }]
-                ],
-                'ldflags': [
-                  '-Bdynamic',
-                  '-Wl,-z,nocopyreloc',
-                  # crtbegin_dynamic.o should be the last item in ldflags.
-                  '<(android_lib)/crtbegin_dynamic.o',
-                ],
-                'libraries': [
-                  # crtend_android.o needs to be the last item in libraries.
-                  # Do not add any libraries after this!
-                  '<(android_lib)/crtend_android.o',
-                ],
-              }],
-              ['_type=="shared_library"', {
-                'ldflags': [
-                  '-Wl,-shared,-Bsymbolic',
-                  '<(android_lib)/crtbegin_so.o',
-                ],
-              }],
-              ['_type=="static_library"', {
-                'ldflags': [
-                  # Don't export symbols from statically linked libraries.
-                  '-Wl,--exclude-libs=ALL',
-                ],
-              }],
-            ],
-          }],  # _toolset=="target"
-          # Settings for building host targets using the system toolchain.
-          ['_toolset=="host"', {
-            'cflags': [ '-pthread' ],
-            'ldflags': [ '-pthread' ],
-            'ldflags!': [
-              '-Wl,-z,noexecstack',
-              '-Wl,--gc-sections',
-              '-Wl,-O1',
-              '-Wl,--as-needed',
-            ],
-          }],
-        ],  # target_conditions
-      },  # target_defaults
-    }],  # OS=="android"
-    ['OS=="android" and clang==0', {
-      # Hardcode the compiler names in the Makefile so that
-      # it won't depend on the environment at make time.
-      'make_global_settings': [
-        ['LD', '<!(/bin/echo -n <(android_toolchain)/../*/bin/ld)'],
-        ['RANLIB', '<!(/bin/echo -n <(android_toolchain)/../*/bin/ranlib)'],
-        ['CC', '<!(/bin/echo -n <(android_toolchain)/*-gcc)'],
-        ['CXX', '<!(/bin/echo -n <(android_toolchain)/*-g++)'],
-        ['LD.host', '<(host_ld)'],
-        ['RANLIB.host', '<(host_ranlib)'],
-        ['CC.host', '<(host_cc)'],
-        ['CXX.host', '<(host_cxx)'],
-      ],
-    }],
-    ['clang!=1 and host_clang==1 and target_arch!="ia32" and target_arch!="x64"', {
-      'make_global_settings': [
-        ['CC.host', '<(clang_dir)/bin/clang'],
-        ['CXX.host', '<(clang_dir)/bin/clang++'],
-      ],
-    }],
-    ['clang==0 and host_clang==1 and target_arch!="ia32" and target_arch!="x64"', {
-      'target_conditions': [
-        ['_toolset=="host"', {
-          'cflags_cc': [ '-std=gnu++11', ],
-        }],
-      ],
-      'target_defaults': {
-        'target_conditions': [
-          ['_toolset=="host"', { 'cflags!': [ '-Wno-unused-local-typedefs' ]}],
-        ],
-      },
-    }],
-    ['clang==1 and "<(GENERATOR)"=="ninja"', {
-      # See http://crbug.com/110262
-      'target_defaults': {
-        'cflags': [ '-fcolor-diagnostics' ],
-        'xcode_settings': { 'OTHER_CFLAGS': [ '-fcolor-diagnostics' ] },
-      },
-    }],
-    ['clang==1 and ((OS!="mac" and OS!="ios") or clang_xcode==0) '
-        'and OS!="win" and "<(GENERATOR)"=="make"', {
-      'make_global_settings': [
-        ['CC', '<(clang_dir)/bin/clang'],
-        ['CXX', '<(clang_dir)/bin/clang++'],
-        ['CC.host', '$(CC)'],
-        ['CXX.host', '$(CXX)'],
-      ],
-    }],
-    ['clang==1 and ((OS!="mac" and OS!="ios") or clang_xcode==0) '
-        'and OS!="win" and "<(GENERATOR)"=="ninja"', {
-      'make_global_settings': [
-        ['CC', '<(clang_dir)/bin/clang'],
-        ['CXX', '<(clang_dir)/bin/clang++'],
-        ['CC.host', '$(CC)'],
-        ['CXX.host', '$(CXX)'],
-      ],
-    }],
-    ['clang==1 and OS=="win"', {
-      'make_global_settings': [
-        # On Windows, gyp's ninja generator only looks at CC.
-        ['CC', '<(clang_dir)/bin/clang-cl'],
-      ],
-    }],
-    ['OS=="linux" and target_arch=="arm" and host_arch!="arm" and clang==0 and "<(GENERATOR)"=="ninja"', {
-      # Set default ARM cross tools on linux.  These can be overridden
-      # using CC,CXX,CC.host and CXX.host environment variables.
-      'make_global_settings': [
-        ['CC', '<!(which arm-linux-gnueabihf-gcc)'],
-        ['CXX', '<!(which arm-linux-gnueabihf-g++)'],
-        ['CC.host', '<(host_cc)'],
-        ['CXX.host', '<(host_cxx)'],
-      ],
-    }],
-    # TODO(yyanagisawa): supports GENERATOR==make
-    #  make generator doesn't support CC_wrapper without CC
-    #  in make_global_settings yet.
-    ['use_goma==1 and ("<(GENERATOR)"=="ninja" or clang==1)', {
-      'conditions': [
-        ['coverage==1', {
-          # Wrap goma with coverage wrapper.
-          'make_global_settings': [
-            ['CC_wrapper', '<(base_dir)/gypfiles/coverage_wrapper.py <(gomadir)/gomacc'],
-            ['CXX_wrapper', '<(base_dir)/gypfiles/coverage_wrapper.py <(gomadir)/gomacc'],
-            ['CC.host_wrapper', '<(base_dir)/gypfiles/coverage_wrapper.py <(gomadir)/gomacc'],
-            ['CXX.host_wrapper', '<(base_dir)/gypfiles/coverage_wrapper.py <(gomadir)/gomacc'],
-          ],
-        }, {
-          # Use only goma wrapper.
-          'make_global_settings': [
-            ['CC_wrapper', '<(gomadir)/gomacc'],
-            ['CXX_wrapper', '<(gomadir)/gomacc'],
-            ['CC.host_wrapper', '<(gomadir)/gomacc'],
-            ['CXX.host_wrapper', '<(gomadir)/gomacc'],
-          ],
-        }],
-      ],
-    }, {
-      'conditions': [
-        ['coverage==1', {
-          # Use only coverage wrapper.
-          'make_global_settings': [
-            ['CC_wrapper', '<(base_dir)/gypfiles/coverage_wrapper.py'],
-            ['CXX_wrapper', '<(base_dir)/gypfiles/coverage_wrapper.py'],
-            ['CC.host_wrapper', '<(base_dir)/gypfiles/coverage_wrapper.py'],
-            ['CXX.host_wrapper', '<(base_dir)/gypfiles/coverage_wrapper.py'],
-          ],
-        }],
-      ],
-    }],
-  ],
-}
diff --git a/tools/v8_gypfiles/broken/sysroot_ld_flags.sh b/tools/v8_gypfiles/broken/sysroot_ld_flags.sh
deleted file mode 100644
index 5cc8011b32a9e0..00000000000000
--- a/tools/v8_gypfiles/broken/sysroot_ld_flags.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/bin/sh
-# Copyright 2017 the V8 project authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# This is for backwards-compatibility after:
-# https://codereview.chromium.org/2900193003
-
-for entry in $@; do
-  echo -L$entry
-  echo -Wl,-rpath-link=$entry
-done | xargs echo
diff --git a/tools/v8_gypfiles/broken/v8-monolithic.gyp b/tools/v8_gypfiles/broken/v8-monolithic.gyp
deleted file mode 100644
index 4ca6b7f193a8d7..00000000000000
--- a/tools/v8_gypfiles/broken/v8-monolithic.gyp
+++ /dev/null
@@ -1,55 +0,0 @@
-# Copyright 2018 the V8 project authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-{
-  'variables': {
-    'v8_code': 1,
-    'v8_random_seed%': 314159265,
-    'v8_vector_stores%': 0,
-    'v8_embed_script%': "",
-    'v8_extra_library_files%': [],
-    'mksnapshot_exec': '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)mksnapshot<(EXECUTABLE_SUFFIX)',
-    'v8_os_page_size%': 0,
-  },
-  'includes': ['toolchain.gypi', 'features.gypi', 'inspector.gypi'],
-  'targets': [
-    {
-      'target_name': 'v8_monolith',
-      'type': 'none',
-      'direct_dependent_settings': {
-        'include_dirs': [
-          '../include/',
-        ],
-      },
-      'actions': [
-        {
-          'action_name': 'build_with_gn',
-          'inputs': [
-            '../tools//node/build_gn.py',
-          ],
-          'outputs': [
-            '<(INTERMEDIATE_DIR)/gn/obj/libv8_monolith.a',
-            '<(INTERMEDIATE_DIR)/gn/args.gn',
-          ],
-          'action': [
-            '../tools//node/build_gn.py',
-            '--mode', '<(CONFIGURATION_NAME)',
-            '--v8_path', '../',
-            '--build_path', '<(INTERMEDIATE_DIR)/gn',
-            '--host_os', '<(host_os)',
-            '--flag', 'v8_promise_internal_field_count=<(v8_promise_internal_field_count)',
-            '--flag', 'target_cpu="<(target_arch)"',
-            '--flag', 'target_os="<(OS)"',
-            '--flag', 'v8_target_cpu="<(v8_target_arch)"',
-            '--flag', 'v8_embedder_string="<(v8_embedder_string)"',
-            '--flag', 'v8_use_snapshot=<(v8_use_snapshot)',
-            '--flag', 'v8_optimized_debug=<(v8_optimized_debug)',
-            '--flag', 'v8_enable_disassembler=<(v8_enable_disassembler)',
-            '--flag', 'v8_postmortem_support=<(v8_postmortem_support)',
-          ],
-        },
-      ],
-    },
-  ],
-}
diff --git a/tools/v8_gypfiles/broken/verify_source_deps.py b/tools/v8_gypfiles/broken/verify_source_deps.py
deleted file mode 100644
index 396b19e9016aad..00000000000000
--- a/tools/v8_gypfiles/broken/verify_source_deps.py
+++ /dev/null
@@ -1,172 +0,0 @@
-#!/usr/bin/env python
-# Copyright 2015 the V8 project authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""
-Script to print potentially missing source dependencies based on the actual
-.h and .cc files in the source tree and which files are included in the gyp
-and gn files. The latter inclusion is overapproximated.
-
-TODO(machenbach): If two source files with the same name exist, but only one
-is referenced from a gyp/gn file, we won't necessarily detect it.
-"""
-
-import itertools
-import re
-import os
-import subprocess
-import sys
-
-
-V8_BASE = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
-
-GYP_FILES = [
-  os.path.join(V8_BASE, 'gypfiles', 'd8.gyp'),
-  os.path.join(V8_BASE, 'gypfiles', 'v8.gyp'),
-  os.path.join(V8_BASE, 'gypfiles', 'inspector.gypi'),
-  os.path.join(V8_BASE, 'gypfiles', 'v8vtune.gyp'),
-  os.path.join(V8_BASE, 'gypfiles', 'samples.gyp'),
-  os.path.join(V8_BASE, 'gypfiles', 'mkgrokdump.gyp'),
-  os.path.join(V8_BASE, 'gypfiles', 'parser-shell.gyp'),
-]
-
-ALL_GYP_PREFIXES = [
-  '..',
-  'common',
-  os.path.join('src', 'third_party', 'vtune'),
-  'src',
-  'samples',
-  'testing',
-  'tools',
-  os.path.join('test', 'common'),
-  os.path.join('test', 'inspector'),
-  os.path.join('test', 'mkgrokdump'),
-]
-
-GYP_UNSUPPORTED_FEATURES = [
-  'gcmole',
-  'setup-isolate-deserialize.cc',
-  'v8-version.h'
-]
-
-GN_FILES = [
-  os.path.join(V8_BASE, 'BUILD.gn'),
-  os.path.join(V8_BASE, 'src', 'inspector', 'BUILD.gn'),
-  os.path.join(V8_BASE, 'test', 'inspector', 'BUILD.gn'),
-  os.path.join(V8_BASE, 'test', 'mkgrokdump', 'BUILD.gn'),
-  os.path.join(V8_BASE, 'tools', 'BUILD.gn'),
-]
-
-GN_UNSUPPORTED_FEATURES = [
-  'aix',
-  'cygwin',
-  'freebsd',
-  'gcmole',
-  'openbsd',
-  'ppc',
-  'qnx',
-  'solaris',
-  'vtune',
-  'v8-version.h',
-]
-
-ALL_GN_PREFIXES = [
-  '..',
-  os.path.join('src', 'inspector'),
-  'src',
-  'testing',
-  os.path.join('test', 'inspector'),
-  os.path.join('test', 'mkgrokdump'),
-]
-
-def pathsplit(path):
-  return re.split('[/\\\\]', path)
-
-def path_no_prefix(path, prefixes):
-  for prefix in prefixes:
-    if path.startswith(prefix + os.sep):
-      return path_no_prefix(path[len(prefix) + 1:], prefixes)
-  return path
-
-
-def isources(prefixes):
-  cmd = ['git', 'ls-tree', '-r', 'HEAD', '--full-name', '--name-only']
-  for f in subprocess.check_output(cmd, universal_newlines=True).split('\n'):
-    if not (f.endswith('.h') or f.endswith('.cc')):
-      continue
-    yield path_no_prefix(os.path.join(*pathsplit(f)), prefixes)
-
-
-def iflatten(obj):
-  if isinstance(obj, dict):
-    for value in obj.values():
-      for i in iflatten(value):
-        yield i
-  elif isinstance(obj, list):
-    for value in obj:
-      for i in iflatten(value):
-        yield i
-  elif isinstance(obj, basestring):
-    yield path_no_prefix(os.path.join(*pathsplit(obj)), ALL_GYP_PREFIXES)
-
-
-def iflatten_gyp_file(gyp_file):
-  """Overaproximates all values in the gyp file.
-
-  Iterates over all string values recursively. Removes '../' path prefixes.
-  """
-  with open(gyp_file) as f:
-    return iflatten(eval(f.read()))
-
-
-def iflatten_gn_file(gn_file):
-  """Overaproximates all values in the gn file.
-
-  Iterates over all double quoted strings.
-  """
-  with open(gn_file) as f:
-    for line in f.read().splitlines():
-      match = re.match(r'.*"([^"]*)".*', line)
-      if match:
-        yield path_no_prefix(
-            os.path.join(*pathsplit(match.group(1))), ALL_GN_PREFIXES)
-
-
-def icheck_values(values, prefixes):
-  for source_file in isources(prefixes):
-    if source_file not in values:
-      yield source_file
-
-
-def missing_gyp_files():
-  gyp_values = set(itertools.chain(
-    *[iflatten_gyp_file(gyp_file) for gyp_file in GYP_FILES]
-    ))
-  gyp_files = sorted(icheck_values(gyp_values, ALL_GYP_PREFIXES))
-  return filter(
-      lambda x: not any(i in x for i in GYP_UNSUPPORTED_FEATURES), gyp_files)
-
-
-def missing_gn_files():
-  gn_values = set(itertools.chain(
-    *[iflatten_gn_file(gn_file) for gn_file in GN_FILES]
-    ))
-
-  gn_files = sorted(icheck_values(gn_values, ALL_GN_PREFIXES))
-  return filter(
-      lambda x: not any(i in x for i in GN_UNSUPPORTED_FEATURES), gn_files)
-
-
-def main():
-  print "----------- Files not in gyp: ------------"
-  for i in missing_gyp_files():
-    print i
-
-  print "\n----------- Files not in gn: -------------"
-  for i in missing_gn_files():
-    print i
-  return 0
-
-if '__main__' == __name__:
-  sys.exit(main())