Add property parser code path based on CSSParserTokenRange

Source/core/css/parser/CSSPropertyParser.h

Index: Source/core/css/parser/CSSPropertyParser.h
diff --git a/Source/core/css/parser/CSSPropertyParser.h b/Source/core/css/parser/CSSPropertyParser.h
index 4f199bb0754e1cc97e8fbe871cdbc1374f578949..ea3a897948d7080e7310df11b408f7be9ed651dd 100644
--- a/Source/core/css/parser/CSSPropertyParser.h
+++ b/Source/core/css/parser/CSSPropertyParser.h
@@ -39,6 +39,7 @@ class CSSGradientValue;
 class CSSGridLineNamesValue;
 class CSSLineBoxContainValue;
 struct CSSParserString;
+class CSSParserTokenRange;
 struct CSSParserValue;
 class CSSParserValueList;
 class CSSPrimitiveValue;
@@ -72,7 +73,7 @@ public:
     };
 
     static bool parseValue(CSSPropertyID, bool important,
-        CSSParserValueList*, const CSSParserContext&,
+        CSSParserValueList*, CSSParserTokenRange*, const CSSParserContext&,
         WillBeHeapVector<CSSProperty, 256>&, StyleRule::Type);
 
     static bool isSystemColor(CSSValueID);
@@ -83,6 +84,7 @@ private:
         WillBeHeapVector<CSSProperty, 256>&, StyleRule::Type);
 
     bool parseValue(CSSPropertyID, bool important);
+    PassRefPtrWillBeRawPtr<CSSValue> parseSingleValue(CSSPropertyID);
 
     bool inShorthand() const { return m_inParseShorthand; }
     bool inQuirksMode() const { return isQuirksModeBehavior(m_context.mode()); }
@@ -366,6 +368,7 @@ private:
 private:
     // Inputs:
     CSSParserValueList* m_valueList;
+    CSSParserTokenRange* m_range;
     const CSSParserContext& m_context;
 
     // Outputs: