Remove ancestor walk for non-SVG RenderObjects in willBeRemovedFromTree()

Source/core/rendering/RenderObject.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. 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
@@ skipping 411 matching lines @@
         InsideInFlowThread = 2,
     };
 
     void setFlowThreadStateIncludingDescendants(FlowThreadState);
 
     FlowThreadState flowThreadState() const { return m_bitfields.flowThreadState(); }
     void setFlowThreadState(FlowThreadState state) { m_bitfields.setFlowThreadState(state); }
 
     // FIXME: Until all SVG renders can be subclasses of RenderSVGModelObject we have
     // to add SVG renderer methods to RenderObject with an ASSERT_NOT_REACHED() default implementation.
+    virtual bool isSVG() const { return false; }
     virtual bool isSVGRoot() const { return false; }
     virtual bool isSVGContainer() const { return false; }
     virtual bool isSVGTransformableContainer() const { return false; }
     virtual bool isSVGViewportContainer() const { return false; }
     virtual bool isSVGGradientStop() const { return false; }
     virtual bool isSVGHiddenContainer() const { return false; }
     virtual bool isSVGPath() const { return false; }
     virtual bool isSVGShape() const { return false; }
     virtual bool isSVGText() const { return false; }
     virtual bool isSVGTextPath() const { return false; }
     virtual bool isSVGInline() const { return false; }
     virtual bool isSVGInlineText() const { return false; }
     virtual bool isSVGImage() const { return false; }
     virtual bool isSVGForeignObject() const { return false; }
     virtual bool isSVGResourceContainer() const { return false; }
     virtual bool isSVGResourceFilter() const { return false; }
     virtual bool isSVGResourceFilterPrimitive() const { return false; }
 
     // FIXME: Those belong into a SVG specific base-class for all renderers (see above)
     // Unfortunately we don't have such a class yet, because it's not possible for all renderers
     // to inherit from RenderSVGObject -> RenderObject (some need RenderBlock inheritance for instance)
     virtual void setNeedsTransformUpdate() { }
     virtual void setNeedsBoundariesUpdate();
-    virtual bool needsBoundariesUpdate() { return false; }
 
     // Per SVG 1.1 objectBoundingBox ignores clipping, masking, filter effects, opacity and stroke-width.
     // This is used for all computation of objectBoundingBox relative units and by SVGLocatable::getBBox().
     // NOTE: Markers are not specifically ignored here by SVG 1.1 spec, but we ignore them
     // since stroke-width is ignored (and marker size can depend on stroke-width).
     // objectBoundingBox is returned local coordinates.
     // The name objectBoundingBox is taken from the SVG 1.1 spec.
     virtual FloatRect objectBoundingBox() const;
     virtual FloatRect strokeBoundingBox() const;
 
@@ skipping 956 matching lines @@
 void showTree(const WebCore::RenderObject*);
 void showLineTree(const WebCore::RenderObject*);
 void showRenderTree(const WebCore::RenderObject* object1);
 // We don't make object2 an optional parameter so that showRenderTree
 // can be called from gdb easily.
 void showRenderTree(const WebCore::RenderObject* object1, const WebCore::RenderObject* object2);
 
 #endif
 
 #endif // RenderObject_h