Remove WebGLObject maps from WebGLRenderingContextBase and WebGLContextGroup.

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

 /*
  * Copyright (C) 2011 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 13 matching lines @@
  */
 
 #include "modules/webgl/WebGLDebugRendererInfo.h"
 
 namespace blink {
 
 WebGLDebugRendererInfo::WebGLDebugRendererInfo(
     WebGLRenderingContextBase* context)
     : WebGLExtension(context) {}
 
-WebGLDebugRendererInfo::~WebGLDebugRendererInfo() {}
-
 WebGLExtensionName WebGLDebugRendererInfo::name() const {
   return WebGLDebugRendererInfoName;
 }
 
 WebGLDebugRendererInfo* WebGLDebugRendererInfo::create(
     WebGLRenderingContextBase* context) {
   return new WebGLDebugRendererInfo(context);
 }
 
 bool WebGLDebugRendererInfo::supported(WebGLRenderingContextBase*) {
   return true;
 }
 
 const char* WebGLDebugRendererInfo::extensionName() {
   return "WEBGL_debug_renderer_info";
 }
 
 }  // namespace blink