Refactoring CSS grammar

Refactoring CSS grammar

Nonfunctional change.
Introduced closing_parenthesis and error_recovery to reduce code duplication.

Extracted from https://codereview.chromium.org/14969002/

BUG=140608
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=149948

[Eric Willigers, 2013-05-08 04:48:25]

lgtm

[apavlov, 2013-05-08 07:03:32]

A ; added, and we are good to land

https://codereview.chromium.org/14917019/diff/1/Source/core/css/CSSGrammar.y.in
File Source/core/css/CSSGrammar.y.in (right):

https://codereview.chromium.org/14917019/diff/1/Source/core/css/CSSGrammar.y....
Source/core/css/CSSGrammar.y.in:1961: 
;

[SeRya, 2013-05-08 09:03:53]

https://codereview.chromium.org/14917019/diff/1/Source/core/css/CSSGrammar.y.in
File Source/core/css/CSSGrammar.y.in (right):

https://codereview.chromium.org/14917019/diff/1/Source/core/css/CSSGrammar.y....
Source/core/css/CSSGrammar.y.in:1961: 
On 2013/05/08 07:03:33, apavlov wrote:
> ;

Done.

[apavlov, 2013-05-08 09:18:46]

lgtm

[commit-bot: I haz the power, 2013-05-08 09:18:57]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/serya@chromium.org/14917019/8001

[commit-bot: I haz the power, 2013-05-08 09:58:04]

Change committed as 149948