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

Source/core/css/CSSValueList.h

Index: Source/core/css/CSSValueList.h
diff --git a/Source/core/css/CSSValueList.h b/Source/core/css/CSSValueList.h
index f3f8ae456b6990f8652593ea7329bab662dc562a..12d0e62c2d1e7d4c0006241f74645fc9f8422b33 100644
--- a/Source/core/css/CSSValueList.h
+++ b/Source/core/css/CSSValueList.h
@@ -28,10 +28,10 @@
 
 namespace blink {
 
-class CORE_EXPORT CSSValueList : public CSSValue {
+class CORE_EXPORT CSSValueList : public CSSValueObject {
 public:
-    using iterator = WillBeHeapVector<RefPtrWillBeMember<CSSValue>, 4>::iterator;
-    using const_iterator = WillBeHeapVector<RefPtrWillBeMember<CSSValue>, 4>::const_iterator;
+    using iterator = WillBeHeapVector<CSSValue, 4>::iterator;
+    using const_iterator = WillBeHeapVector<CSSValue, 4>::const_iterator;
 
     static PassRefPtrWillBeRawPtr<CSSValueList> createCommaSeparated()
     {
@@ -52,15 +52,15 @@ public:
     const_iterator end() const { return m_values.end(); }
 
     size_t length() const { return m_values.size(); }
-    CSSValue* item(size_t index) { return m_values[index].get(); }
-    const CSSValue* item(size_t index) const { return m_values[index].get(); }
-    CSSValue* itemWithBoundsCheck(size_t index) { return index < m_values.size() ? m_values[index].get() : 0; }
-    const CSSValue* itemWithBoundsCheck(size_t index) const { return index < m_values.size() ? m_values[index].get() : 0; }
-
-    void append(PassRefPtrWillBeRawPtr<CSSValue> value) { m_values.append(value); }
-    void prepend(PassRefPtrWillBeRawPtr<CSSValue> value) { m_values.prepend(value); }
-    bool removeAll(CSSValue*);
-    bool hasValue(CSSValue*) const;
+    CSSValue item(size_t index) { return m_values[index]; }
+    const CSSValue item(size_t index) const { return m_values[index]; }
+    NullableCSSValue itemWithBoundsCheck(size_t index) { return index < m_values.size() ? NullableCSSValue(m_values[index]) : nullptr; }
+    const NullableCSSValue itemWithBoundsCheck(size_t index) const { return index < m_values.size() ? NullableCSSValue(m_values[index]) : nullptr; }
+
+    void append(CSSValue value) { m_values.append(value); }
+    void prepend(CSSValue value) { m_values.prepend(value); }
+    bool removeAll(CSSValue);
+    bool hasValue(CSSValue) const;
     PassRefPtrWillBeRawPtr<CSSValueList> copy();
 
     String customCSSText() const;
@@ -76,7 +76,7 @@ protected:
 private:
     explicit CSSValueList(ValueListSeparator);
 
-    WillBeHeapVector<RefPtrWillBeMember<CSSValue>, 4> m_values;
+    WillBeHeapVector<CSSValue, 4> m_values;
 };
 
 DEFINE_CSS_VALUE_TYPE_CASTS(CSSValueList, isValueList());