Remove css !important

sky/engine/core/css/DOMWindowCSS.cpp

 /*
  * Copyright (C) 2012 Motorola Mobility Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above
@@ skipping 24 matching lines @@
 #include "sky/engine/core/css/parser/BisonCSSParser.h"
 #include "sky/engine/wtf/text/WTFString.h"
 
 namespace blink {
 
 PassRefPtr<DOMWindowCSS> DOMWindowCSS::create()
 {
     return adoptRef(new DOMWindowCSS());
 }
 
-static String valueWithoutImportant(const String& value)
-{
-    if (!value.endsWith("important", false))
-        return value;
-
-    String newValue = value;
-    int bangIndex = newValue.length() - 9 - 1;
-    if (newValue[bangIndex] == ' ')
-        bangIndex--;
-    newValue = newValue.left(bangIndex);
-
-    return newValue;
-}
-
 bool DOMWindowCSS::supports(const String& property, const String& value) const
 {
     CSSPropertyID propertyID = cssPropertyID(property.stripWhiteSpace());
     if (propertyID == CSSPropertyInvalid)
         return false;
     ASSERT(CSSPropertyMetadata::isEnabledProperty(propertyID));
 
-    // BisonCSSParser::parseValue() won't work correctly if !important is present,
-    // so just get rid of it. It doesn't matter to supports() if it's actually
-    // there or not, provided how it's specified in the value is correct.
     String normalizedValue = value.stripWhiteSpace().simplifyWhiteSpace();
-    normalizedValue = valueWithoutImportant(normalizedValue);
 
     if (normalizedValue.isEmpty())
         return false;
 
     RefPtr<MutableStylePropertySet> dummyStyle = MutableStylePropertySet::create();
-    return BisonCSSParser::parseValue(dummyStyle.get(), propertyID, normalizedValue, false, HTMLStandardMode, 0);
+    return BisonCSSParser::parseValue(dummyStyle.get(), propertyID, normalizedValue, HTMLStandardMode, 0);
 }
 
 bool DOMWindowCSS::supports(const String& conditionText) const
 {
     CSSParserContext context(0);
     BisonCSSParser parser(context);
     return parser.parseSupportsCondition(conditionText);
 }
 
 }