Remove RenderSVGResourceContainer::cast()

Source/core/rendering/svg/RenderSVGResourceContainer.h

 /*
  * Copyright (C) Research In Motion Limited 2010. 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 24 matching lines @@
     virtual ~RenderSVGResourceContainer();
 
     virtual void removeAllClientsFromCache(bool markForInvalidation = true) = 0;
     virtual void removeClientFromCache(RenderObject*, bool markForInvalidation = true) = 0;
 
     virtual void layout() OVERRIDE;
     virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE FINAL;
 
     virtual bool isSVGResourceContainer() const OVERRIDE FINAL { return true; }
 
-    template<class Renderer>
-    Renderer* cast()
-    {
-        if (Renderer::s_resourceType == resourceType())
-            return static_cast<Renderer*>(this);
-
-        return 0;
-    }
-
     static AffineTransform transformOnNonScalingStroke(RenderObject*, const AffineTransform& resourceTransform);
 
     void idChanged();
     void addClientRenderLayer(Node*);
     void addClientRenderLayer(RenderLayer*);
     void removeClientRenderLayer(RenderLayer*);
 
     void invalidateCacheAndMarkForLayout(SubtreeLayoutScope* = 0);
 
 protected:
@@ skipping 43 matching lines @@
 
     if (RenderSVGResourceContainer* renderResource = treeScope.document().accessSVGExtensions().resourceById(id))
         return renderResource;
 
     return 0;
 }
 
 template<typename Renderer>
 Renderer* getRenderSVGResourceById(TreeScope& treeScope, const AtomicString& id)
 {
-    if (RenderSVGResourceContainer* container = getRenderSVGResourceContainerById(treeScope, id))
-        return container->cast<Renderer>();
-
+    if (RenderSVGResourceContainer* container = getRenderSVGResourceContainerById(treeScope, id)) {
+        if (container->resourceType() == Renderer::s_resourceType)
+            return static_cast<Renderer*>(container);
+    }
     return 0;
 }
 
 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderSVGResourceContainer, isSVGResourceContainer());
 
 }
 
 #endif