Make Pepper resize the buffer through the command buffer.

chrome/renderer/pepper_platform_context_3d_impl.cc

 // 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.
 
 #include "chrome/renderer/pepper_platform_context_3d_impl.h"
 
 #include "chrome/renderer/ggl/ggl.h"
 #include "chrome/renderer/gpu_channel_host.h"
 #include "chrome/renderer/render_thread.h"
 
@@ skipping 51 matching lines @@
 bool PlatformContext3DImpl::SwapBuffers() {
   DCHECK(context_);
   return ggl::SwapBuffers(context_);
 }
 
 unsigned PlatformContext3DImpl::GetError() {
   DCHECK(context_);
   return ggl::GetError(context_);
 }
 
-void PlatformContext3DImpl::ResizeBackingTexture(const gfx::Size& size) {
-  DCHECK(context_);
-  ggl::ResizeOffscreenContext(context_, size);
-}
-
 void PlatformContext3DImpl::SetSwapBuffersCallback(Callback0::Type* callback) {
   DCHECK(context_);
   ggl::SetSwapBuffersCallback(context_, callback);
 }
 
 unsigned PlatformContext3DImpl::GetBackingTextureId() {
   DCHECK(context_);
   return ggl::GetParentTextureId(context_);
 }
 
 gpu::gles2::GLES2Implementation*
     PlatformContext3DImpl::GetGLES2Implementation() {
   DCHECK(context_);
   return ggl::GetImplementation(context_);
 }
 
 #endif  // ENABLE_GPU