Clean up after getPropertyCSSValue

Source/core/css/PropertySetCSSStyleDeclaration.h

 /*
  * Copyright (C) 2012 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 32 matching lines @@
 public:
     virtual Element* parentElement() const { return 0; }
     StyleSheetContents* contextStyleSheet() const;
 
     virtual void trace(Visitor*) override;
 
 private:
     virtual CSSRule* parentRule() const override { return 0; }
     virtual unsigned length() const override final;
     virtual String item(unsigned index) const override final;
-    virtual PassRefPtrWillBeRawPtr<CSSValue> getPropertyCSSValue(const String& propertyName) override final;
     virtual String getPropertyValue(const String& propertyName) override final;
     virtual String getPropertyPriority(const String& propertyName) override final;
     virtual String getPropertyShorthand(const String& propertyName) override final;
     virtual bool isPropertyImplicit(const String& propertyName) override final;
     virtual void setProperty(const String& propertyName, const String& value, const String& priority, ExceptionState&) override final;
     virtual String removeProperty(const String& propertyName, ExceptionState&) override final;
     virtual String cssText() const override final;
     virtual void setCSSText(const String&, ExceptionState&) override final;
     virtual PassRefPtrWillBeRawPtr<CSSValue> getPropertyCSSValueInternal(CSSPropertyID) override final;
     virtual String getPropertyValueInternal(CSSPropertyID) override final;
     virtual void setPropertyInternal(CSSPropertyID, const String& value, bool important, ExceptionState&) override final;
 
     virtual bool cssPropertyMatches(CSSPropertyID, const CSSValue*) const override final;
     virtual PassRefPtrWillBeRawPtr<MutableStylePropertySet> copyProperties() const override final;
 
-    CSSValue* cloneAndCacheForCSSOM(CSSValue*);
-
 protected:
     enum MutationType { NoChanges, PropertyChanged };
     virtual void willMutate() { }
     virtual void didMutate(MutationType) { }
     virtual MutableStylePropertySet& propertySet() const = 0;
-
-    OwnPtrWillBeMember<WillBeHeapHashMap<RawPtrWillBeMember<CSSValue>, RefPtrWillBeMember<CSSValue> > > m_cssomCSSValueClones;
 };
 
 class PropertySetCSSStyleDeclaration : public AbstractPropertySetCSSStyleDeclaration {
 public:
     PropertySetCSSStyleDeclaration(MutableStylePropertySet& propertySet) : m_propertySet(&propertySet) { }
 
 #if !ENABLE(OILPAN)
     virtual void ref() override;
     virtual void deref() override;
 #endif
@@ skipping 62 matching lines @@
     virtual Element* parentElement() const override { return m_parentElement; }
 
     virtual void didMutate(MutationType) override;
 
     RawPtrWillBeMember<Element> m_parentElement;
 };
 
 } // namespace blink
 
 #endif