Remove WebGLObject maps from WebGLRenderingContextBase and WebGLContextGroup.

third_party/WebKit/Source/modules/webgl/OESTextureFloat.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 21 matching lines @@
   if (context->extensionsUtil()->ensureExtensionEnabled(
           "GL_OES_texture_float")) {
     // Implicitly enable rendering to float textures
     context->extensionsUtil()->ensureExtensionEnabled(
         "GL_CHROMIUM_color_buffer_float_rgba");
     context->extensionsUtil()->ensureExtensionEnabled(
         "GL_CHROMIUM_color_buffer_float_rgb");
   }
 }
 
-OESTextureFloat::~OESTextureFloat() {}
-
 WebGLExtensionName OESTextureFloat::name() const {
   return OESTextureFloatName;
 }
 
 OESTextureFloat* OESTextureFloat::create(WebGLRenderingContextBase* context) {
   return new OESTextureFloat(context);
 }
 
 bool OESTextureFloat::supported(WebGLRenderingContextBase* context) {
   return context->extensionsUtil()->supportsExtension("GL_OES_texture_float");
 }
 
 const char* OESTextureFloat::extensionName() {
   return "OES_texture_float";
 }
 
 }  // namespace blink