Move InvalidationGuard/InstanceUpdateBlocker out of SVGElementInstance

Source/core/svg/SVGGraphicsElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
  * Copyright (C) 2014 Google, Inc.
  *
  * 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.
  *
@@ skipping 178 matching lines @@
     reportAttributeParsingError(parseError, name, value);
 }
 
 void SVGGraphicsElement::svgAttributeChanged(const QualifiedName& attrName)
 {
     if (!isSupportedAttribute(attrName)) {
         SVGElement::svgAttributeChanged(attrName);
         return;
     }
 
-    SVGElementInstance::InvalidationGuard invalidationGuard(this);
+    SVGElement::InvalidationGuard invalidationGuard(this);
 
     // Reattach so the isValid() check will be run again during renderer creation.
     if (SVGTests::isKnownAttribute(attrName)) {
         lazyReattachIfAttached();
         return;
     }
 
     RenderObject* object = renderer();
     if (!object)
         return;
@@ skipping 50 matching lines @@
 }
 
 void SVGGraphicsElement::toClipPath(Path& path)
 {
     updatePathFromGraphicsElement(this, path);
     // FIXME: How do we know the element has done a layout?
     path.transform(animatedLocalTransform());
 }
 
 }