CSSValue Immediates: Change CSSValue to an object instead of a pointer

Source/core/css/parser/CSSParserFastPaths.cpp

Index: Source/core/css/parser/CSSParserFastPaths.cpp
diff --git a/Source/core/css/parser/CSSParserFastPaths.cpp b/Source/core/css/parser/CSSParserFastPaths.cpp
index caa105f12a68d330a705e923159308a5a1dc6585..17ee297e621d6956a4e33bed4b337d1ff6d3b97f 100644
--- a/Source/core/css/parser/CSSParserFastPaths.cpp
+++ b/Source/core/css/parser/CSSParserFastPaths.cpp
@@ -85,7 +85,7 @@ static inline bool parseSimpleLength(const CharacterType* characters, unsigned l
     return ok;
 }
 
-static PassRefPtrWillBeRawPtr<CSSValue> parseSimpleLengthValue(CSSPropertyID propertyId, const String& string, CSSParserMode cssParserMode)
+static NullableCSSValue parseSimpleLengthValue(CSSPropertyID propertyId, const String& string, CSSParserMode cssParserMode)
 {
     ASSERT(!string.isEmpty());
     bool acceptsNegativeNumbers = false;
@@ -452,7 +452,7 @@ bool CSSParserFastPaths::parseColorAsRGBA32(RGBA32& rgb, const String& name, boo
     return true;
 }
 
-static PassRefPtrWillBeRawPtr<CSSValue> parseColor(const String& string, bool quirksMode)
+static NullableCSSValue parseColor(const String& string, bool quirksMode)
 {
     ASSERT(!string.isEmpty());
     CSSParserString cssString;
@@ -762,7 +762,7 @@ bool CSSParserFastPaths::isKeywordPropertyID(CSSPropertyID propertyId)
     }
 }
 
-static PassRefPtrWillBeRawPtr<CSSValue> parseKeywordValue(CSSPropertyID propertyId, const String& string)
+static NullableCSSValue parseKeywordValue(CSSPropertyID propertyId, const String& string)
 {
     ASSERT(!string.isEmpty());
 
@@ -939,7 +939,7 @@ static PassRefPtrWillBeRawPtr<CSSValueList> parseSimpleTransformList(CharType*&
     return transformList.release();
 }
 
-static PassRefPtrWillBeRawPtr<CSSValue> parseSimpleTransform(CSSPropertyID propertyID, const String& string)
+static NullableCSSValue parseSimpleTransform(CSSPropertyID propertyID, const String& string)
 {
     ASSERT(!string.isEmpty());
 
@@ -955,16 +955,16 @@ static PassRefPtrWillBeRawPtr<CSSValue> parseSimpleTransform(CSSPropertyID prope
     return parseSimpleTransformList(pos, end);
 }
 
-PassRefPtrWillBeRawPtr<CSSValue> CSSParserFastPaths::maybeParseValue(CSSPropertyID propertyID, const String& string, CSSParserMode parserMode)
+NullableCSSValue CSSParserFastPaths::maybeParseValue(CSSPropertyID propertyID, const String& string, CSSParserMode parserMode)
 {
-    if (RefPtrWillBeRawPtr<CSSValue> length = parseSimpleLengthValue(propertyID, string, parserMode))
-        return length.release();
+    if (NullableCSSValue length = parseSimpleLengthValue(propertyID, string, parserMode))
+        return length;
     if (isColorPropertyID(propertyID))
         return parseColor(string, isQuirksModeBehavior(parserMode));
-    if (RefPtrWillBeRawPtr<CSSValue> keyword = parseKeywordValue(propertyID, string))
-        return keyword.release();
-    if (RefPtrWillBeRawPtr<CSSValue> transform = parseSimpleTransform(propertyID, string))
-        return transform.release();
+    if (NullableCSSValue keyword = parseKeywordValue(propertyID, string))
+        return keyword;
+    if (NullableCSSValue transform = parseSimpleTransform(propertyID, string))
+        return transform;
     return nullptr;
 }