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 09d58231b296046b555a6546cd167bb86d586b97..d86c3bb1b56d1a6e49f62c40b83af64525ace56d 100644
--- a/Source/core/css/parser/CSSPropertyParser.h
+++ b/Source/core/css/parser/CSSPropertyParser.h
@@ -26,6 +26,7 @@
 #include "core/css/CSSGradientValue.h"
 #include "core/css/CSSGridTemplateAreasValue.h"
 #include "core/css/CSSPropertySourceData.h"
+#include "core/css/parser/CSSParserTokenRange.h"
 #include "platform/Length.h"
 
 namespace blink {
@@ -71,17 +72,18 @@ public:
     };
 
     static bool parseValue(CSSPropertyID, bool important,
-        CSSParserValueList*, const CSSParserContext&,
+        const CSSParserTokenRange&, const CSSParserContext&,
         WillBeHeapVector<CSSProperty, 256>&, StyleRule::Type);
 
     static bool isSystemColor(CSSValueID);
     static bool isColorKeyword(CSSValueID);
 
 private:
-    CSSPropertyParser(CSSParserValueList*, const CSSParserContext&,
+    CSSPropertyParser(CSSParserValueList*, const CSSParserTokenRange&, const CSSParserContext&,
         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()); }
@@ -364,6 +366,7 @@ private:
 private:
     // Inputs:
     CSSParserValueList* m_valueList;
+    CSSParserTokenRange m_range;
     const CSSParserContext& m_context;
 
     // Outputs: