Sync device name should have restricted length

[GeetaSarvadnya]

Description

Sync device name should have restricted length

Steps to Reproduce

1. Launch brave beta with --enable-brave-sync flag
2. Give sync name which has too many chars along with special chars and numbers

Actual result:

Sync Device name is accepting too many chars

Expected result:

There should be restriction for sync name length

Reproduces how often:

Easily

Brave version (brave://version info)

Brave	0.57.6 Chromium: 71.0.3578.31 (Official Build) beta (64-bit)
Revision	c88fdf2a4ce19a713615ca4fbde7a0d0b5fe2363-refs/branch-heads/3578@{#427}
OS	Windows

Reproducible on current release:

• Does it reproduce on brave-browser dev/beta builds?

Yes on beta build

Website problems only:

• Does the issue resolve itself when disabling Brave Shields? NA
• Is the issue reproducible on the latest version of Chrome? NA

Additional Information

@kjozwiak @LaurenWags @srirambv @btlechowski

[cezaraugusto]

😱

[LaurenWags]

Verified passed with

Brave	0.58.12 Chromium: 71.0.3578.80 (Official Build) (64-bit)
Revision	2ac50e7249fbd55e6f517a28131605c9fb9fe897-refs/branch-heads/3578@{#860}
OS	Mac OS X

• Verified laptops no longer have the option of having a user entered name

Verification passed on

Brave	0.58.14 Chromium: 71.0.3578.98 (Official Build) (64-bit)
Revision	15234034d19b85dcd9a03b164ae89d04145d8368-refs/branch-heads/3578@{#897}
OS	Windows 7

• Verified laptops no longer have the option of having a user entered name

Verification PASSED on Ubuntu 18.04.1 x64 VM using the following build:

Brave	0.58.14 Chromium: 71.0.3578.98 (Official Build) (64-bit)
Revision	15234034d19b85dcd9a03b164ae89d04145d8368-refs/branch-heads/3578@{#897}
OS	Linux

• Verified laptops no longer have the option of having a user entered name