Move InvalidationGuard/InstanceUpdateBlocker out of SVGElementInstance

Source/core/svg/SVGElementInstance.h

 /*
  * Copyright (C) 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2011 Torch Mobile (Beijing) Co. Ltd. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 55 matching lines @@
     SVGElementInstance* parentNode() const { return m_parentInstance; }
 
     SVGElementInstance* previousSibling() const { return m_previousSibling; }
     SVGElementInstance* nextSibling() const { return m_nextSibling; }
 
     SVGElementInstance* firstChild() const { return m_firstChild; }
     SVGElementInstance* lastChild() const { return m_lastChild; }
 
     inline Document* ownerDocument() const;
 
-    class InvalidationGuard {
-        WTF_MAKE_NONCOPYABLE(InvalidationGuard);
-    public:
-        InvalidationGuard(SVGElement* element) : m_element(element) { }
-        ~InvalidationGuard() { SVGElementInstance::invalidateAllInstancesOfElement(m_element); }
-    private:
-        SVGElement* m_element;
-    };
-
-    class InstanceUpdateBlocker {
-        WTF_MAKE_NONCOPYABLE(InstanceUpdateBlocker);
-    public:
-        InstanceUpdateBlocker(SVGElement* targetElement);
-        ~InstanceUpdateBlocker();
-
-    private:
-        SVGElement* m_targetElement;
-    };
-
-    static void invalidateAllInstancesOfElement(SVGElement*);
-
     virtual void trace(Visitor*) { }
 
     // EventTarget API
     DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), abort);
     DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), blur);
     DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), change);
     DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), click);
     DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), contextmenu);
     DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), dblclick);
     DECLARE_FORWARDING_ATTRIBUTE_EVENT_LISTENER(correspondingElement(), error);
@@ skipping 78 matching lines @@
     SVGElementInstance* m_previousSibling;
     SVGElementInstance* m_nextSibling;
 
     SVGElementInstance* m_firstChild;
     SVGElementInstance* m_lastChild;
 };
 
 } // namespace WebCore
 
 #endif