Dissect and clean up instances of color parsing in CSSPropertyParser

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 c7b5775968e452e28660760aa2a5ba77a98b2cc6..0c9d917b5e2d55159fbdd13f9acdd9f90de9991a 100644
--- a/Source/core/css/parser/CSSPropertyParser.h
+++ b/Source/core/css/parser/CSSPropertyParser.h
@@ -74,7 +74,8 @@ public:
         CSSParserValueList*, const CSSParserContext&,
         WillBeHeapVector<CSSProperty, 256>&, StyleRule::Type);
 
-    static bool isSystemColor(int id);
+    static bool isSystemColor(CSSValueID);
+    static bool isColorKeyword(CSSValueID);
 
 private:
     CSSPropertyParser(CSSParserValueList*, const CSSParserContext&,
@@ -104,8 +105,6 @@ private:
 
     PassRefPtrWillBeRawPtr<CSSValue> parseAttr(CSSParserValueList* args);
 
-    PassRefPtrWillBeRawPtr<CSSValue> parseBackgroundColor();
-
     bool parseFillImage(CSSParserValueList*, RefPtrWillBeRawPtr<CSSValue>&);
 
     enum FillPositionFlag { InvalidFillPosition = 0, AmbiguousFillPosition = 1, XFillPosition = 2, YFillPosition = 4 };
@@ -189,10 +188,17 @@ private:
     PassRefPtrWillBeRawPtr<CSSValue> parseCounter(int defaultValue);
     PassRefPtrWillBeRawPtr<CSSValue> parseCounterContent(CSSParserValueList* args, bool counters);
 
-    bool parseColorParameters(CSSParserValue*, int* colorValues, bool parseAlpha);
-    bool parseHSLParameters(CSSParserValue*, double* colorValues, bool parseAlpha);
-    PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseColor(CSSParserValue* = 0, bool acceptQuirkyColors = false);
-    bool parseColorFromValue(CSSParserValue*, RGBA32&, bool acceptQuirkyColors = false);
+    bool parseColorParameters(const CSSParserValue*, int* colorValues, bool parseAlpha);
+    bool parseHSLParameters(const CSSParserValue*, double* colorValues, bool parseAlpha);
+    PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseColor(const CSSParserValue*, bool acceptQuirkyColors = false);
+    bool parseColorFromValue(const CSSParserValue*, RGBA32&, bool acceptQuirkyColors = false);
+
+    bool acceptQuirkyColors(CSSPropertyID) const;
+    PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseBackgroundColor(const CSSParserValue*);
+    PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseTapHighlightColor(const CSSParserValue*);
+    PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseGradientStopColor(const CSSParserValue*);
+    PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseDeprecatedGradientStopColor(const CSSParserValue*);
+    PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseSVGColor(const CSSParserValue*);
 
     PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseLineHeight();
     bool parseFontSize(bool important);