Exposed support for dynamically enabling extensions in command buffer...

chrome/renderer/webgraphicscontext3d_command_buffer_impl.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_RENDERER_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_
 #define CHROME_RENDERER_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_
 #pragma once
 
 #if defined(ENABLE_GPU)
 
@@ skipping 343 matching lines @@
       int width,
       int height,
       unsigned format,
       unsigned type,
       unsigned access);
   virtual void unmapTexSubImage2DCHROMIUM(const void*);
 
   virtual void copyTextureToParentTextureCHROMIUM(
       unsigned texture, unsigned parentTexture);
 
+  virtual WebKit::WebString getRequestableExtensionsCHROMIUM();
+  virtual void requestExtensionCHROMIUM(const char*);
+
   virtual unsigned createCompositorTexture(unsigned width, unsigned height);
   virtual void deleteCompositorTexture(unsigned parent_texture);
   virtual void copyTextureToCompositor(unsigned texture,
                                        unsigned parent_texture);
 
   ggl::Context* context() { return context_; }
 
  private:
   // The GGL context we use for OpenGL rendering.
   ggl::Context* context_;
@@ skipping 17 matching lines @@
   scoped_ptr<uint8> scanline_;
   void FlipVertically(uint8* framebuffer,
                       unsigned int width,
                       unsigned int height);
 #endif
 };
 
 #endif  // defined(ENABLE_GPU)
 #endif  // CHROME_RENDERER_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_