Remove WebGLObject maps from WebGLRenderingContextBase and WebGLContextGroup.

third_party/WebKit/Source/modules/webgl/WebGLLoseContext.cpp

 /*
  * Copyright (C) 2010 Google 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
@@ skipping 14 matching lines @@
 
 #include "modules/webgl/WebGLLoseContext.h"
 
 #include "modules/webgl/WebGLRenderingContextBase.h"
 
 namespace blink {
 
 WebGLLoseContext::WebGLLoseContext(WebGLRenderingContextBase* context)
     : WebGLExtension(context) {}
 
-WebGLLoseContext::~WebGLLoseContext() {}
-
 void WebGLLoseContext::lose(bool force) {
   if (force)
     WebGLExtension::lose(true);
 }
 
 WebGLExtensionName WebGLLoseContext::name() const {
   return WebGLLoseContextName;
 }
 
 WebGLLoseContext* WebGLLoseContext::create(WebGLRenderingContextBase* context) {
@@ skipping 17 matching lines @@
 
 bool WebGLLoseContext::supported(WebGLRenderingContextBase*) {
   return true;
 }
 
 const char* WebGLLoseContext::extensionName() {
   return "WEBGL_lose_context";
 }
 
 }  // namespace blink