Move InvalidationGuard/InstanceUpdateBlocker out of SVGElementInstance

Source/core/svg/SVGSVGElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Apple Inc. All rights reserved.
  * 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 298 matching lines @@
             }
         }
     }
 
     if (SVGFitToViewBox::isKnownAttribute(attrName)) {
         updateRelativeLengthsOrViewBox = true;
         if (RenderObject* object = renderer())
             object->setNeedsTransformUpdate();
     }
 
-    SVGElementInstance::InvalidationGuard invalidationGuard(this);
+    SVGElement::InstanceInvalidationGuard invalidationGuard(this);
 
     if (updateRelativeLengthsOrViewBox
         || SVGZoomAndPan::isKnownAttribute(attrName)) {
         if (renderer())
             RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer());
         return;
     }
 
     SVGGraphicsElement::svgAttributeChanged(attrName);
 }
@@ skipping 434 matching lines @@
         view->preserveAspectRatio()->baseValue()->setMeetOrSlice(preserveAspectRatio()->currentValue()->meetOrSlice());
     }
 
     if (viewElement->hasAttribute(SVGNames::zoomAndPanAttr))
         view->setZoomAndPan(viewElement->zoomAndPan());
     else
         view->setZoomAndPan(zoomAndPan());
 }
 
 }