Remove some resources in pak file under gyp flag

build/common.gypi

@@ -542,6 +542,12 @@
       # Enable FTP support by default.
       'disable_ftp_support%': 0,
 
+      # Enable web audio hrtf by default.
+      'disable_webaudio_hrtf%': 0,
+
+      # Include all resources by default.
+      'use_minimum_resources%': 0,
+
       # Use native android functions in place of ICU.  Not supported by most
       # components.
       'use_icu_alternatives_on_android%': 0,
@@ -1166,6 +1172,8 @@
     'enable_captive_portal_detection%': '<(enable_captive_portal_detection)',
     'disable_file_support%': '<(disable_file_support)',
     'disable_ftp_support%': '<(disable_ftp_support)',
+    'disable_webaudio_hrtf%': '<(disable_webaudio_hrtf)',
+    'use_minimum_resources%': '<(use_minimum_resources)',
     'use_icu_alternatives_on_android%': '<(use_icu_alternatives_on_android)',
     'enable_task_manager%': '<(enable_task_manager)',
     'sas_dll_path%': '<(sas_dll_path)',
@@ -2112,6 +2120,12 @@
       ['use_concatenated_impulse_responses==1', {
         'grit_defines': ['-D', 'use_concatenated_impulse_responses'],
       }],
+      ['disable_webaudio_hrtf==1', {
+        'grit_defines': ['-D', 'disable_webaudio_hrtf'],
+      }],
+      ['use_minimum_resources==1', {
+        'grit_defines': ['-D', 'use_minimum_resources'],
+      }],
       ['enable_webrtc==1', {
         'grit_defines': ['-D', 'enable_webrtc'],
       }],

content/app/resources/content_resources.grd

@@ -10,6 +10,7 @@
   <release seq="1">
     <structures fallback_to_low_resolution="true">
       <structure type="chrome_scaled_image" name="IDR_BROKENIMAGE" file="broken_image.png" />
+      <if expr="not pp_ifdef('use_minimum_resources')">
       <structure type="chrome_scaled_image" name="IDR_MEDIAPLAYER_PAUSE_BUTTON" file="mediaplayer_pause.png" />
       <structure type="chrome_scaled_image" name="IDR_MEDIAPLAYER_PAUSE_BUTTON_HOVER" file="mediaplayer_pause_hover.png" />
       <structure type="chrome_scaled_image" name="IDR_MEDIAPLAYER_PAUSE_BUTTON_DOWN" file="mediaplayer_pause_down.png" />
@@ -49,6 +50,7 @@
       <structure type="chrome_scaled_image" name="IDR_MEDIAPLAYER_CAST_BUTTON_ON" file="mediaplayer_cast_on.png" />
       <structure type="chrome_scaled_image" name="IDR_MEDIAPLAYER_OVERLAY_CAST_BUTTON_OFF" file="mediaplayer_overlay_cast_off.png" />
       <structure type="chrome_scaled_image" name="IDR_MEDIAPLAYER_OVERLAY_PLAY_BUTTON" file="mediaplayer_overlay_play.png" />
+      </if>
       <if expr="is_macosx">
         <structure type="chrome_scaled_image" name="IDR_ALIAS_CURSOR" file="alias_cursor.png" />
         <structure type="chrome_scaled_image" name="IDR_CELL_CURSOR" file="cell_cursor.png" />

ui/resources/ui_resources.grd

@@ -12,6 +12,7 @@
   </outputs>
   <release seq="1">
     <structures fallback_to_low_resolution="true">
+      <if expr="not pp_ifdef('use_minimum_resources')">
       <!-- KEEP THESE IN ALPHABETICAL ORDER!  DO NOT ADD TO RANDOM PLACES JUST
            BECAUSE YOUR RESOURCES ARE FUNCTIONALLY RELATED OR FALL UNDER THE
            SAME CONDITIONALS. -->
@@ -593,6 +594,7 @@
         <structure type="chrome_scaled_image" name="IDR_WINDOW_BUBBLE_SHADOW_SPIKE_SMALL_RIGHT" file="common/window_bubble_shadow_spike_small_right.png" />
         <structure type="chrome_scaled_image" name="IDR_WINDOW_BUBBLE_SHADOW_SPIKE_SMALL_TOP" file="common/window_bubble_shadow_spike_small_top.png" />
       </if>
+      </if>
     </structures>
   </release>
 </grit>