Remove WebGLObject maps from WebGLRenderingContextBase and WebGLContextGroup.

third_party/WebKit/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 16 matching lines @@
 
 #include "gpu/command_buffer/client/gles2_interface.h"
 #include "modules/webgl/WebGLRenderingContextBase.h"
 
 namespace blink {
 
 WebGLRenderbuffer* WebGLRenderbuffer::create(WebGLRenderingContextBase* ctx) {
   return new WebGLRenderbuffer(ctx);
 }
 
-WebGLRenderbuffer::~WebGLRenderbuffer() {
-  // See the comment in WebGLObject::detachAndDeleteObject().
-  detachAndDeleteObject();
-}
-
 WebGLRenderbuffer::WebGLRenderbuffer(WebGLRenderingContextBase* ctx)
     : WebGLSharedPlatform3DObject(ctx),
       m_internalFormat(GL_RGBA4),
       m_width(0),
       m_height(0),
       m_hasEverBeenBound(false) {
   GLuint rbo;
   ctx->contextGL()->GenRenderbuffers(1, &rbo);
   setObject(rbo);
 }
 
+WebGLRenderbuffer::~WebGLRenderbuffer() {
+  runDestructor();
+}
+
 void WebGLRenderbuffer::deleteObjectImpl(gpu::gles2::GLES2Interface* gl) {
   gl->DeleteRenderbuffers(1, &m_object);
   m_object = 0;
 }
 
 DEFINE_TRACE(WebGLRenderbuffer) {
   WebGLSharedPlatform3DObject::trace(visitor);
 }
 
 }  // namespace blink