Revert of Move most of the [Pass]RefPtr's of CSSPrimitiveValue to our transition types.

Source/core/css/parser/BisonCSSParser.h

Index: Source/core/css/parser/BisonCSSParser.h
diff --git a/Source/core/css/parser/BisonCSSParser.h b/Source/core/css/parser/BisonCSSParser.h
index 2982ab5eec300315c1754ff07adadb449b9f0e76..1d5d49ba5b44bc7290e3ceaaa1faef92ddf2b32f 100644
--- a/Source/core/css/parser/BisonCSSParser.h
+++ b/Source/core/css/parser/BisonCSSParser.h
@@ -93,7 +93,7 @@
     static bool parseSystemColor(RGBA32& color, const String&, Document*);
     static PassRefPtrWillBeRawPtr<CSSValueList> parseFontFaceValue(const AtomicString&);
     static PassRefPtr<CSSValue> parseAnimationTimingFunctionValue(const String&);
-    PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseValidPrimitive(CSSValueID ident, CSSParserValue*);
+    PassRefPtr<CSSPrimitiveValue> parseValidPrimitive(CSSValueID ident, CSSParserValue*);
     bool parseDeclaration(MutableStylePropertySet*, const String&, CSSParserObserver*, StyleSheetContents* contextStyleSheet);
     static PassRefPtr<ImmutableStylePropertySet> parseInlineStyleDeclaration(const String&, Element*);
     PassRefPtr<MediaQuerySet> parseMediaQueryList(const String&);
@@ -122,14 +122,14 @@
 
     enum FillPositionFlag { InvalidFillPosition = 0, AmbiguousFillPosition = 1, XFillPosition = 2, YFillPosition = 4 };
     enum FillPositionParsingMode { ResolveValuesAsPercent = 0, ResolveValuesAsKeyword = 1 };
-    PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseFillPositionComponent(CSSParserValueList*, unsigned& cumulativeFlags, FillPositionFlag& individualFlag, FillPositionParsingMode = ResolveValuesAsPercent);
+    PassRefPtr<CSSPrimitiveValue> parseFillPositionComponent(CSSParserValueList*, unsigned& cumulativeFlags, FillPositionFlag& individualFlag, FillPositionParsingMode = ResolveValuesAsPercent);
     PassRefPtr<CSSValue> parseFillPositionX(CSSParserValueList*);
     PassRefPtr<CSSValue> parseFillPositionY(CSSParserValueList*);
     void parse2ValuesFillPosition(CSSParserValueList*, RefPtr<CSSValue>&, RefPtr<CSSValue>&);
     bool isPotentialPositionValue(CSSParserValue*);
     void parseFillPosition(CSSParserValueList*, RefPtr<CSSValue>&, RefPtr<CSSValue>&);
-    void parse3ValuesFillPosition(CSSParserValueList*, RefPtr<CSSValue>&, RefPtr<CSSValue>&, PassRefPtrWillBeRawPtr<CSSPrimitiveValue>, PassRefPtrWillBeRawPtr<CSSPrimitiveValue>);
-    void parse4ValuesFillPosition(CSSParserValueList*, RefPtr<CSSValue>&, RefPtr<CSSValue>&, PassRefPtrWillBeRawPtr<CSSPrimitiveValue>, PassRefPtrWillBeRawPtr<CSSPrimitiveValue>);
+    void parse3ValuesFillPosition(CSSParserValueList*, RefPtr<CSSValue>&, RefPtr<CSSValue>&, PassRefPtr<CSSPrimitiveValue>, PassRefPtr<CSSPrimitiveValue>);
+    void parse4ValuesFillPosition(CSSParserValueList*, RefPtr<CSSValue>&, RefPtr<CSSValue>&, PassRefPtr<CSSPrimitiveValue>, PassRefPtr<CSSPrimitiveValue>);
 
     void parseFillRepeat(RefPtr<CSSValue>&, RefPtr<CSSValue>&);
     PassRefPtr<CSSValue> parseFillSize(CSSPropertyID, bool &allowComma);
@@ -162,14 +162,14 @@
     bool parseColumnsShorthand(bool important);
 
     PassRefPtr<CSSValue> parseGridPosition();
-    bool parseIntegerOrStringFromGridPosition(RefPtrWillBeRawPtr<CSSPrimitiveValue>& numericValue, RefPtrWillBeRawPtr<CSSPrimitiveValue>& gridLineName);
+    bool parseIntegerOrStringFromGridPosition(RefPtr<CSSPrimitiveValue>& numericValue, RefPtr<CSSPrimitiveValue>& gridLineName);
     bool parseGridItemPositionShorthand(CSSPropertyID, bool important);
     bool parseGridAreaShorthand(bool important);
     bool parseSingleGridAreaLonghand(RefPtr<CSSValue>&);
     bool parseGridTrackList(CSSPropertyID, bool important);
     bool parseGridTrackRepeatFunction(CSSValueList&);
     PassRefPtr<CSSValue> parseGridTrackSize(CSSParserValueList& inputList);
-    PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseGridBreadth(CSSParserValue*);
+    PassRefPtr<CSSPrimitiveValue> parseGridBreadth(CSSParserValue*);
     PassRefPtr<CSSValue> parseGridTemplateAreas();
     void parseGridLineNames(CSSParserValueList* inputList, CSSValueList&);
 
@@ -178,8 +178,8 @@
     bool parseItemPositionOverflowPosition(CSSPropertyID, bool important);
 
     PassRefPtr<CSSValue> parseShapeProperty(CSSPropertyID propId);
-    PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseBasicShape();
-    PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseShapeRadius(CSSParserValue*);
+    PassRefPtr<CSSPrimitiveValue> parseBasicShape();
+    PassRefPtr<CSSPrimitiveValue> parseShapeRadius(CSSParserValue*);
 
     PassRefPtr<CSSBasicShape> parseBasicShapeRectangle(CSSParserValueList* args);
     PassRefPtr<CSSBasicShape> parseBasicShapeCircle(CSSParserValueList* args);
@@ -198,7 +198,7 @@
 
     bool parseColorParameters(CSSParserValue*, int* colorValues, bool parseAlpha);
     bool parseHSLParameters(CSSParserValue*, double* colorValues, bool parseAlpha);
-    PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseColor(CSSParserValue* = 0);
+    PassRefPtr<CSSPrimitiveValue> parseColor(CSSParserValue* = 0);
     bool parseColorFromValue(CSSParserValue*, RGBA32&);
     void parseSelector(const String&, CSSSelectorList&);
 
@@ -225,8 +225,8 @@
     PassRefPtr<CSSValue> parseBorderImage(CSSPropertyID);
     bool parseBorderImageRepeat(RefPtr<CSSValue>&);
     bool parseBorderImageSlice(CSSPropertyID, RefPtrWillBeRawPtr<CSSBorderImageSliceValue>&);
-    bool parseBorderImageWidth(RefPtrWillBeRawPtr<CSSPrimitiveValue>&);
-    bool parseBorderImageOutset(RefPtrWillBeRawPtr<CSSPrimitiveValue>&);
+    bool parseBorderImageWidth(RefPtr<CSSPrimitiveValue>&);
+    bool parseBorderImageOutset(RefPtr<CSSPrimitiveValue>&);
     bool parseBorderRadius(CSSPropertyID, bool important);
 
     bool parseAspectRatio(bool important);
@@ -412,8 +412,8 @@
     void markViewportRuleBodyEnd() { m_inViewport = false; }
     StyleRuleBase* createViewportRule();
 
-    PassRefPtrWillBeRawPtr<CSSPrimitiveValue> createPrimitiveNumericValue(CSSParserValue*);
-    PassRefPtrWillBeRawPtr<CSSPrimitiveValue> createPrimitiveStringValue(CSSParserValue*);
+    PassRefPtr<CSSPrimitiveValue> createPrimitiveNumericValue(CSSParserValue*);
+    PassRefPtr<CSSPrimitiveValue> createPrimitiveStringValue(CSSParserValue*);
 
     CSSParserLocation currentLocation() { return m_tokenizer.currentLocation(); }
 
@@ -589,7 +589,7 @@
     inline bool validUnit(CSSParserValue* value, Units unitflags, ReleaseParsedCalcValueCondition releaseCalc = DoNotReleaseParsedCalcValue) { return validUnit(value, unitflags, m_context.mode(), releaseCalc); }
     bool validUnit(CSSParserValue*, Units, CSSParserMode, ReleaseParsedCalcValueCondition releaseCalc = DoNotReleaseParsedCalcValue);
 
-    bool parseBorderImageQuad(Units, RefPtrWillBeRawPtr<CSSPrimitiveValue>&);
+    bool parseBorderImageQuad(Units, RefPtr<CSSPrimitiveValue>&);
     int colorIntFromValue(CSSParserValue*);
     double parsedDouble(CSSParserValue*, ReleaseParsedCalcValueCondition releaseCalc = DoNotReleaseParsedCalcValue);
     bool isCalculation(CSSParserValue*);