Disable 4 and 8 digit hex CSS colors

Disable 4 and 8 digit hex CSS colors

New compat concerns have been raised with 4 and 8 digit HEX color
values in CSS.  In particular, a targetSdk quirk needs to be added
for Android WebView to avoid breaking Android apps.

Demote this feature to "experimental" status until an owner can be found.

BUG=618518, 76362
Review-Url: https://codereview.chromium.org/2047413003
Cr-Commit-Position: refs/heads/master@{#398789}
(cherry picked from commit b7bc5783027ae86ff6eb6912d0a6112cda6a8814)

Committed: https://chromium.googlesource.com/chromium/src/+/1c24aa54c19c702703d68bc0bc62b7a5449d3755

[Rick Byers, 2016-06-20 21:24:33]

Description was changed from

==========
Disable 4 and 8 digit hex CSS colors

New compat concerns have been raised with 4 and 8 digit HEX color
values in CSS.  In particular, a targetSdk quirk needs to be added
for Android WebView to avoid breaking Android apps.

Demote this feature to "experimental" status until an owner can be found.

BUG=618518, 76362

Review-Url: https://codereview.chromium.org/2047413003
Cr-Commit-Position: refs/heads/master@{#398789}
(cherry picked from commit b7bc5783027ae86ff6eb6912d0a6112cda6a8814)
==========

to

==========
Disable 4 and 8 digit hex CSS colors

New compat concerns have been raised with 4 and 8 digit HEX color
values in CSS.  In particular, a targetSdk quirk needs to be added
for Android WebView to avoid breaking Android apps.

Demote this feature to "experimental" status until an owner can be found.

BUG=618518, 76362

Review-Url: https://codereview.chromium.org/2047413003
Cr-Commit-Position: refs/heads/master@{#398789}
(cherry picked from commit b7bc5783027ae86ff6eb6912d0a6112cda6a8814)

Committed:
https://chromium.googlesource.com/chromium/src/+/1c24aa54c19c702703d68bc0bc62...
==========

[Rick Byers, 2016-06-20 21:24:38]

Committed patchset #1 (id:1) manually as
1c24aa54c19c702703d68bc0bc62b7a5449d3755.