Oilpan: move 2D Canvas and WebGL objects to the heap.

Source/core/html/canvas/WebGLObject.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 52 matching lines @@
         if (context3d)
             deleteObjectImpl(context3d, m_object);
 
         m_object = 0;
     }
 }
 
 void WebGLObject::detach()
 {
     m_attachmentCount = 0; // Make sure OpenGL resource is deleted.
-    }
-
+}
 
 void WebGLObject::onDetached(blink::WebGraphicsContext3D* context3d)
 {
     if (m_attachmentCount)
         --m_attachmentCount;
     if (m_deleted)
         deleteObject(context3d);
 }
 
 }