Revert 92885 - Completed the implementation for PPB_Graphics3D interface.

ppapi/shared_impl/graphics_3d_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 PPAPI_SHARED_IMPL_GRAPHICS_3D_IMPL_H_
-#define PPAPI_SHARED_IMPL_GRAPHICS_3D_IMPL_H_
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "ppapi/c/pp_completion_callback.h"
-#include "ppapi/thunk/ppb_graphics_3d_api.h"
-
-namespace gpu {
-class CommandBuffer;
-namespace gles2 {
-class GLES2CmdHelper;
-class GLES2Implementation;
-}  // namespace gles2
-}  // namespace gpu.
-
-namespace ppapi {
-
-class Graphics3DImpl : public thunk::PPB_Graphics3D_API {
- public:
-  // PPB_Graphics3D_API implementation.
-  virtual int32_t GetAttribs(int32_t* attrib_list) OVERRIDE;
-  virtual int32_t SetAttribs(int32_t* attrib_list) OVERRIDE;
-  virtual int32_t SwapBuffers(PP_CompletionCallback callback) OVERRIDE;
-
-  gpu::gles2::GLES2Implementation* gles2_impl() {
-    return gles2_impl_.get();
-  }
-
-  // Sends swap-buffers notification to the plugin.
-  void SwapBuffersACK(int32_t pp_error);
-
- protected:
-  Graphics3DImpl();
-  virtual ~Graphics3DImpl();
-
-  virtual gpu::CommandBuffer* GetCommandBuffer() = 0;
-  virtual int32 DoSwapBuffers() = 0;
-
-  bool HasPendingSwap() { return swap_callback_.func != NULL; }
-  bool CreateGLES2Impl(int32 command_buffer_size,
-                       int32 transfer_buffer_size);
-  void DestroyGLES2Impl();
-
- private:
-  int32 transfer_buffer_id_;
-  scoped_ptr<gpu::gles2::GLES2CmdHelper> gles2_helper_;
-  scoped_ptr<gpu::gles2::GLES2Implementation> gles2_impl_;
-
-  // Callback that needs to be executed when swap-buffers is completed.
-  PP_CompletionCallback swap_callback_;
-
-  DISALLOW_COPY_AND_ASSIGN(Graphics3DImpl);
-};
-
-}  // namespace ppapi
-
-#endif  // PPAPI_SHARED_IMPL_GRAPHICS_3D_IMPL_H_
-