Web Inspector: Remove console warnings for *_ prefixed CSS styles
https://bugs.webkit.org/show_bug.cgi?id=113175

Patch by Sergey Ryazanov <serya@chromium.org> on 2013-03-25
Reviewed by Pavel Feldman.

Source/WebCore:

Added separate error message for syntax CSS error in declaration list when no property detected.
Added filter for messages starting with '*'.

* css/CSSGrammar.y.in:

LayoutTests:

* inspector/console/console-css-warnings-expected.txt:
* inspector/console/console-css-warnings.html:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@146781 268f45cc-cd09-0410-ab3c-d52691b4dbfc