[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
-    // with or without Oilpan enabled.
+
+    // Call detach here to ensure that platform object deletion happens.
     //
     // See comment in WebGLBuffer's destructor for additional
     // information on why this is done for WebGLSharedObject-derived
     // objects.

[haraken, 2015/08/05 04:12:19]

Let's update the comment to "see the comment in
WebGLObject::detachAndDeleteObject()". Ditto for other places that call
detachAndDeleteObject().

[peria, 2015/08/06 05:47:00]

Done.

     detachAndDeleteObject();
 }
 
 WebGLRenderbuffer::WebGLRenderbuffer(WebGLRenderingContextBase* ctx)
     : WebGLSharedPlatform3DObject(ctx)
     , m_internalFormat(GL_RGBA4)
     , m_width(0)
     , m_height(0)
     , m_hasEverBeenBound(false)
 {
@@ skipping 15 matching lines @@
     m_emulatedStencilBuffer.clear();
 }
 
 DEFINE_TRACE(WebGLRenderbuffer)
 {
     visitor->trace(m_emulatedStencilBuffer);
     WebGLSharedPlatform3DObject::trace(visitor);
 }
 
 } // namespace blink