Clean up fast path CSS color parsing

Source/core/css/parser/CSSParserFastPaths.h

Index: Source/core/css/parser/CSSParserFastPaths.h
diff --git a/Source/core/css/parser/CSSParserFastPaths.h b/Source/core/css/parser/CSSParserFastPaths.h
index 78acc935be2246bc8762c27f2354bfa1fea1e6ef..b801812d13856669b90bf26032d0f11bcb8a20fa 100644
--- a/Source/core/css/parser/CSSParserFastPaths.h
+++ b/Source/core/css/parser/CSSParserFastPaths.h
@@ -25,9 +25,7 @@ public:
     static bool isKeywordPropertyID(CSSPropertyID);
     static bool isValidKeywordPropertyAndValue(CSSPropertyID, CSSValueID);
 
-    // Keywords like 'green' will be resolved here, unlike during regular
-    // property parsing where we'd leave it as a keyword.
-    static bool parseColorAsRGBA32(RGBA32&, const String&, bool quirksMode);
+    static PassRefPtrWillBeRawPtr<CSSValue> parseColor(const String&, bool quirksMode);
 };
 
 } // namespace blink