Add hasViewportRule() flag to StyleSheetContents.

Add hasViewportRule() flag to StyleSheetContents.

This is a pre-requisite for collecting viewport rules before generating
the RuleSet. The RuleSet contents depends on media query evaluation,
which in turn depends on viewport size resolution, which means we are
currently may generate the RuleSet, and recalculate style, twice in the
presence of both @media and @viewport.

This CL is split out from [1] which in turn is split out from [2].

[1] https://codereview.chromium.org/2405143003/
[2] https://codereview.chromium.org/1913833002/

R=timloh@chromium.org
BUG=463098
Committed: https://crrev.com/d0fae7951dff76665a0fbe4c26abb1a94b87072f
Cr-Commit-Position: refs/heads/master@{#425273}

[rune, 2016-10-12 11:27:54]

The CQ bit was checked by rune@opera.com to run a CQ dry run

[rune, 2016-10-12 11:28:06]

ptal

[commit-bot: I haz the power, 2016-10-12 11:28:11]

Dry run: 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, 2016-10-12 11:56:42]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-10-12 11:56:43]

Dry run: Try jobs failed on following builders:
  linux_chromium_compile_dbg_ng on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[rune, 2016-10-12 12:00:14]

The CQ bit was checked by rune@opera.com to run a CQ dry run

[commit-bot: I haz the power, 2016-10-12 12:00:24]

Dry run: 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, 2016-10-12 13:38:15]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-10-12 13:38:16]

Dry run: This issue passed the CQ dry run.

[Timothy Loh, 2016-10-14 04:29:43]

On 2016/10/12 11:28:06, rune wrote:
> ptal

lgtm

[rune, 2016-10-14 07:21:15]

The CQ bit was checked by rune@opera.com

[commit-bot: I haz the power, 2016-10-14 07:21:34]

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, 2016-10-14 08:30:17]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-10-14 08:32:19]

Description was changed from

==========
Add hasViewportRule() flag to StyleSheetContents.

This is a pre-requisite for collecting viewport rules before generating
the RuleSet. The RuleSet contents depends on media query evaluation,
which in turn depends on viewport size resolution, which means we are
currently may generate the RuleSet, and recalculate style, twice in the
presence of both @media and @viewport.

This CL is split out from [1] which in turn is split out from [2].

[1] https://codereview.chromium.org/2405143003/
[2] https://codereview.chromium.org/1913833002/

R=timloh@chromium.org
BUG=463098
==========

to

==========
Add hasViewportRule() flag to StyleSheetContents.

This is a pre-requisite for collecting viewport rules before generating
the RuleSet. The RuleSet contents depends on media query evaluation,
which in turn depends on viewport size resolution, which means we are
currently may generate the RuleSet, and recalculate style, twice in the
presence of both @media and @viewport.

This CL is split out from [1] which in turn is split out from [2].

[1] https://codereview.chromium.org/2405143003/
[2] https://codereview.chromium.org/1913833002/

R=timloh@chromium.org
BUG=463098

Committed: https://crrev.com/d0fae7951dff76665a0fbe4c26abb1a94b87072f
Cr-Commit-Position: refs/heads/master@{#425273}
==========

[commit-bot: I haz the power, 2016-10-14 08:32:20]

Patchset 2 (id:??) landed as
https://crrev.com/d0fae7951dff76665a0fbe4c26abb1a94b87072f
Cr-Commit-Position: refs/heads/master@{#425273}