[Ozone-GBM] Migrate GBM buffers to use the ScanoutBuffer interface

ui/ozone/platform/dri/buffer_data.h

-// Copyright 2014 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 UI_OZONE_PLATFORM_DRI_BUFFER_DATA_H_
-#define UI_OZONE_PLATFORM_DRI_BUFFER_DATA_H_
-
-#include "base/memory/scoped_ptr.h"
-
-struct gbm_bo;
-
-namespace ui {
-
-class DriWrapper;
-
-// This class is used to tag a gbm buffer with custom information needed
-// for presentation with the surface factory.
-class BufferData {
- public:
-  // When we create the BufferData we need to register the buffer. Once
-  // successfully registered, the |framebuffer_| field will hold the ID of the
-  // buffer. The controller will use this ID when scanning out the buffer. On
-  // creation we will also associate the BufferData with the buffer.
-  static BufferData* CreateData(DriWrapper* dri, gbm_bo* buffer);
-
-  // Callback used by GBM to destroy the BufferData associated with a buffer.
-  static void Destroy(gbm_bo* buffer, void* data);
-
-  // Returns the BufferData associated with |buffer|. NULL if no data is
-  // associated.
-  static BufferData* GetData(gbm_bo* buffer);
-
-  uint32_t framebuffer() const { return framebuffer_; }
-  uint32_t handle() const { return handle_; }
-
- private:
-  BufferData(DriWrapper* dri, gbm_bo* buffer);
-  ~BufferData();
-
-  DriWrapper* dri_;
-
-  uint32_t handle_;
-
-  // ID provided by the controller when the buffer is registered. This ID is
-  // used when scanning out the buffer.
-  uint32_t framebuffer_;
-
-  DISALLOW_COPY_AND_ASSIGN(BufferData);
-};
-
-}  // namespace ui
-
-#endif  // UI_OZONE_PLATFORM_DRI_BUFFER_DATA_H_