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 1605e16ccaa9e4e15cfc124d6517e8ba77104726..4571171d3ea7a6e49d37531658c37c5399dffd13 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;
@@ -428,7 +428,7 @@ static bool fastParseColorInternal(RGBA32& rgb, const CharacterType* characters,
     return false;
 }
 
-PassRefPtrWillBeRawPtr<CSSValue> CSSParserFastPaths::parseColor(const String& string, bool quirksMode)
+NullableCSSValue CSSParserFastPaths::parseColor(const String& string, bool quirksMode)
 {
     ASSERT(!string.isEmpty());
     CSSParserString cssString;
@@ -749,7 +749,7 @@ 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());
 
@@ -926,7 +926,7 @@ 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());
 
@@ -942,16 +942,16 @@ 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;
 }