[Oilpan] Migrate classes under module/webgl onto oilpan heap

Source/modules/webgl/WebGLRenderbuffer.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 13 matching lines @@
  */
 
 #include "config.h"
 
 #include "modules/webgl/WebGLRenderbuffer.h"
 
 #include "modules/webgl/WebGLRenderingContextBase.h"
 
 namespace blink {
 
-PassRefPtrWillBeRawPtr<WebGLRenderbuffer> WebGLRenderbuffer::create(WebGLRenderingContextBase* ctx)
+WebGLRenderbuffer* WebGLRenderbuffer::create(WebGLRenderingContextBase* ctx)
 {
-    return adoptRefWillBeNoop(new WebGLRenderbuffer(ctx));
+    return new WebGLRenderbuffer(ctx);
 }
 
 WebGLRenderbuffer::~WebGLRenderbuffer()
 {
 #if ENABLE(OILPAN)
     // This render buffer (heap) object must finalize itself.
     m_emulatedStencilBuffer.clear();
 #endif
     // Always call detach here to ensure that platform object deletion
     // happens with Oilpan enabled. It keeps the code regular to do it
@@ skipping 30 matching lines @@
     m_emulatedStencilBuffer.clear();
 }
 
 DEFINE_TRACE(WebGLRenderbuffer)
 {
     visitor->trace(m_emulatedStencilBuffer);
     WebGLSharedPlatform3DObject::trace(visitor);
 }
 
 } // namespace blink