Implement computed style for animation shorthand and align parsing with the spec.

Source/core/css/StylePropertyShorthandCustom.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 36 matching lines @@
     // bug: https://www.w3.org/Bugs/Public/show_bug.cgi?id=14790
     // And in the spec (editor's draft) at:
     // http://dev.w3.org/csswg/css3-animations/#animation-shorthand-property
     static const CSSPropertyID animationPropertiesForParsing[] = {
         CSSPropertyAnimationDuration,
         CSSPropertyAnimationTimingFunction,
         CSSPropertyAnimationDelay,
         CSSPropertyAnimationIterationCount,
         CSSPropertyAnimationDirection,
         CSSPropertyAnimationFillMode,
+        CSSPropertyAnimationPlayState,
         CSSPropertyAnimationName
     };
     DEFINE_STATIC_LOCAL(StylePropertyShorthand, webkitAnimationLonghandsForParsing, (CSSPropertyAnimation, animationPropertiesForParsing, WTF_ARRAY_LENGTH(animationPropertiesForParsing)));
     return webkitAnimationLonghandsForParsing;
 }
 
 const StylePropertyShorthand& webkitAnimationShorthandForParsing()
 {
     // When we parse the animation shorthand we need to look for animation-name
     // last because otherwise it might match against the keywords for fill mode,
     // timing functions and infinite iteration. This means that animation names
     // that are the same as keywords (e.g. 'forwards') won't always match in the
     // shorthand. In that case the authors should be using longhands (or
     // reconsidering their approach). This is covered by the animations spec
     // bug: https://www.w3.org/Bugs/Public/show_bug.cgi?id=14790
     // And in the spec (editor's draft) at:
     // http://dev.w3.org/csswg/css3-animations/#animation-shorthand-property
     static const CSSPropertyID animationPropertiesForParsing[] = {
         CSSPropertyWebkitAnimationDuration,
         CSSPropertyWebkitAnimationTimingFunction,
         CSSPropertyWebkitAnimationDelay,
         CSSPropertyWebkitAnimationIterationCount,
         CSSPropertyWebkitAnimationDirection,
         CSSPropertyWebkitAnimationFillMode,
+        CSSPropertyWebkitAnimationPlayState,
         CSSPropertyWebkitAnimationName
     };
     DEFINE_STATIC_LOCAL(StylePropertyShorthand, webkitAnimationLonghandsForParsing, (CSSPropertyWebkitAnimation, animationPropertiesForParsing, WTF_ARRAY_LENGTH(animationPropertiesForParsing)));
     return webkitAnimationLonghandsForParsing;
 }
 
 // Returns an empty list if the property is not a shorthand, otherwise the list of longhands for parsing.
 const StylePropertyShorthand& parsingShorthandForProperty(CSSPropertyID propertyID)
 {
     switch (propertyID) {
@@ skipping 24 matching lines @@
 {
     for (unsigned i = 0; i < shorthands.size(); ++i) {
         if (shorthands.at(i).id() == shorthandID)
             return i;
     }
     ASSERT_NOT_REACHED();
     return 0;
 }
 
 } // namespace WebCore