Implement all shorthand property.

Source/core/css/CSSProperty.cpp

 /**
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 656 matching lines @@
     case CSSPropertyWebkitWrapThrough:
     case CSSPropertyWebkitAppRegion:
     case CSSPropertyWidth:
     case CSSPropertyWillChange:
     case CSSPropertyMaxZoom:
     case CSSPropertyMinZoom:
     case CSSPropertyOrientation:
     case CSSPropertyUserZoom:
     case CSSPropertyZIndex:
     case CSSPropertyZoom:
+    case CSSPropertyAll:
         return false;
     case CSSPropertyInvalid:
         ASSERT_NOT_REACHED();
         return false;
     }
     ASSERT_NOT_REACHED();
     return false;
 }
 
+bool CSSProperty::isAffectedByAllProperty(CSSPropertyID propertyID)
+{
+    if (propertyID == CSSPropertyAll)
+        return false;
+
+    // all shorthand spec says:
+    // The all property is a shorthand that resets all CSS properties except
+    // direction and unicode-bidi. It only accepts the CSS-wide keywords.
+    // c.f. http://dev.w3.org/csswg/css-cascade/#all-shorthand
+    // So CSSPropertyUnicodeBidi and CSSPropertyDirection are not
+    // affected by all property.
+    return propertyID != CSSPropertyUnicodeBidi && propertyID != CSSPropertyDirection;
+}
+
 } // namespace WebCore