DevTools: recognize CSSIdentifiers that start with double hyphen

DevTools: recognize CSSIdentifiers that start with double hyphen

The CSS parser actually recognizes invalid CSSIdentifiers such as "--foo", even
though this differs from the spec. This CL let's DevTools recognize these as
selectors starting with "--" as identifiers that do not need escaping.

BUG=680139
Review-Url: https://codereview.chromium.org/2830773002
Cr-Commit-Position: refs/heads/master@{#465851}
Committed: https://chromium.googlesource.com/chromium/src/+/188903bc2a2e56080286ad0970605d590feffbb7

[luoe, 2017-04-19 18:24:58]

Description was changed from

==========
DevTools: recognize CSSIdentifiers that start with double hyphen

BUG=680139
==========

to

==========
DevTools: recognize CSSIdentifiers that start with double hyphen

The CSS parser actually recognizes invalid CSSIdentifiers such as "--foo", even
though this differs from the spec. This CL let's DevTools recognize these as
selectors starting with "--" as identifiers that do not need escaping.

BUG=680139
==========

[luoe, 2017-04-19 18:25:31]

luoe@chromium.org changed reviewers:
+ lushnikov@chromium.org

[luoe, 2017-04-19 18:25:31]

Please take a look

[lushnikov, 2017-04-19 20:42:40]

lgtm

[luoe, 2017-04-20 00:01:29]

The CQ bit was checked by luoe@chromium.org

[commit-bot: I haz the power, 2017-04-20 00:02:08]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-04-20 01:37:59]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1492646489759480, "parent_rev":
"34b5b42e28359dad00ab6f66a2516539a87422f7", "commit_rev":
"188903bc2a2e56080286ad0970605d590feffbb7"}

[commit-bot: I haz the power, 2017-04-20 01:38:07]

Description was changed from

==========
DevTools: recognize CSSIdentifiers that start with double hyphen

The CSS parser actually recognizes invalid CSSIdentifiers such as "--foo", even
though this differs from the spec. This CL let's DevTools recognize these as
selectors starting with "--" as identifiers that do not need escaping.

BUG=680139
==========

to

==========
DevTools: recognize CSSIdentifiers that start with double hyphen

The CSS parser actually recognizes invalid CSSIdentifiers such as "--foo", even
though this differs from the spec. This CL let's DevTools recognize these as
selectors starting with "--" as identifiers that do not need escaping.

BUG=680139

Review-Url: https://codereview.chromium.org/2830773002
Cr-Commit-Position: refs/heads/master@{#465851}
Committed:
https://chromium.googlesource.com/chromium/src/+/188903bc2a2e56080286ad097060...
==========

[commit-bot: I haz the power, 2017-04-20 01:38:08]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/188903bc2a2e56080286ad097060...