Remove CSSParserMode argument on CSSParser::parseValue

Source/core/css/parser/CSSParser.h

Index: Source/core/css/parser/CSSParser.h
diff --git a/Source/core/css/parser/CSSParser.h b/Source/core/css/parser/CSSParser.h
index d58a1de9031411be3aa29669cfcacfd7d0e1f5d5..53b050903acef0a4e5fed606be10a9b0c117299e 100644
--- a/Source/core/css/parser/CSSParser.h
+++ b/Source/core/css/parser/CSSParser.h
@@ -33,7 +33,7 @@ public:
     static void parseSelector(const CSSParserContext&, const String&, CSSSelectorList&);
     static bool parseDeclarationList(const CSSParserContext&, MutableStylePropertySet*, const String&);
     // Returns whether anything was changed.
-    static bool parseValue(MutableStylePropertySet*, CSSPropertyID unresolvedProperty, const String&, bool important, CSSParserMode, StyleSheetContents*);
+    static bool parseValue(MutableStylePropertySet*, CSSPropertyID unresolvedProperty, const String&, bool important, StyleSheetContents*);
 
     // This is for non-shorthands only
     static PassRefPtrWillBeRawPtr<CSSValue> parseSingleValue(CSSPropertyID, const String&, const CSSParserContext& = strictCSSParserContext());