Adds support for the GL_ANGLE_texture_usage and GL_EXT_texture_storage

webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h

 // Copyright (c) 2011 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 WEBKIT_GPU_WEBGRAPHICSCONTEXT3D_IN_PROCESS_COMMAND_BUFFER_IMPL_H_
 #define WEBKIT_GPU_WEBGRAPHICSCONTEXT3D_IN_PROCESS_COMMAND_BUFFER_IMPL_H_
 #pragma once
 
 #if defined(ENABLE_GPU)
 
@@ skipping 440 matching lines @@
                                        WebGLId parent_texture);
 
   virtual void setContextLostCallback(
       WebGraphicsContext3D::WebGraphicsContextLostCallback* callback);
   virtual WGC3Denum getGraphicsResetStatusARB();
 
   virtual void texImageIOSurface2DCHROMIUM(
       WGC3Denum target, WGC3Dint width, WGC3Dint height,
       WGC3Duint ioSurfaceId, WGC3Duint plane);
 
+  virtual void texStorage2DEXT(
+      WGC3Denum target, WGC3Dint levels, WGC3Duint internalformat,
+      WGC3Dint width, WGC3Dint height);
+
  protected:
 #if WEBKIT_USING_SKIA
   virtual GrGLInterface* onCreateGrGLInterface();
 #endif
 
  private:
   // SwapBuffers callback.
   void OnSwapBuffersComplete();
   virtual void OnContextLost();
 
@@ skipping 30 matching lines @@
                       unsigned int width,
                       unsigned int height);
 #endif
 };
 
 }  // namespace gpu
 }  // namespace webkit
 
 #endif  // defined(ENABLE_GPU)
 #endif  // WEBKIT_GPU_WEBGRAPHICSCONTEXT3D_IN_PROCESS_COMMAND_BUFFER_IMPL_H_