Split out CSSParser public API

Source/core/css/DOMWindowCSS.cpp

Index: Source/core/css/DOMWindowCSS.cpp
diff --git a/Source/core/css/DOMWindowCSS.cpp b/Source/core/css/DOMWindowCSS.cpp
index 37da48d1cb441fec82a1b8d9b3a96cea53f936c8..acc71ea4854bf4faf6f21642893ab8fe0efb6158 100644
--- a/Source/core/css/DOMWindowCSS.cpp
+++ b/Source/core/css/DOMWindowCSS.cpp
@@ -30,7 +30,7 @@
 #include "config.h"
 #include "core/css/DOMWindowCSS.h"
 
-#include "core/css/parser/BisonCSSParser.h"
+#include "core/css/parser/CSSParser.h"
 #include "core/css/RuntimeCSSEnabled.h"
 #include "core/css/StylePropertySet.h"
 #include "wtf/text/WTFString.h"
@@ -65,7 +65,7 @@ bool DOMWindowCSS::supports(const String& property, const String& value) const
     if (!RuntimeCSSEnabled::isCSSPropertyEnabled(propertyID))
         return false;
 
-    // BisonCSSParser::parseValue() won't work correctly if !important is present,
+    // CSSParser::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();
@@ -75,7 +75,7 @@ bool DOMWindowCSS::supports(const String& property, const String& value) const
         return false;
 
     RefPtr<MutableStylePropertySet> dummyStyle = MutableStylePropertySet::create();
-    return BisonCSSParser::parseValue(dummyStyle.get(), propertyID, normalizedValue, false, HTMLStandardMode, 0);
+    return CSSParser::parseValue(dummyStyle.get(), propertyID, normalizedValue, false, HTMLStandardMode, 0);
 }
 
 bool DOMWindowCSS::supports(const String& conditionText) const