Support removal of DRI platform

ui/gfx/ozone/impl/dri_skbitmap.h

-// Copyright 2013 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_GFX_OZONE_IMPL_DRI_SKBITMAP_H_
-#define UI_GFX_OZONE_IMPL_DRI_SKBITMAP_H_
-
-#include "base/basictypes.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-
-namespace gfx {
-
-// Extend the SkBitmap interface to keep track of additional parameters used by
-// the DRM stack when allocating buffers.
-class DriSkBitmap : public SkBitmap {
- public:
-  DriSkBitmap(int fd);
-  virtual ~DriSkBitmap();
-
-  // Allocates the backing pixels using DRI.
-  // Return true on success, false otherwise.
-  virtual bool Initialize();
-
-  uint32_t get_handle() const { return handle_; };
-
-  uint32_t get_framebuffer() const { return framebuffer_; };
-
-  int get_fd() const { return fd_; };
-
-  // Return the color depth of a pixel in this buffer.
-  uint8_t GetColorDepth() const;
-
- private:
-  friend class DriAllocator;
-  friend class HardwareDisplayController;
-
-  void set_handle(uint32_t handle) { handle_ = handle; };
-  void set_framebuffer(uint32_t framebuffer) { framebuffer_ = framebuffer; };
-
-  // File descriptor used by the DRI allocator to request buffers from the DRI
-  // stack.
-  int fd_;
-
-  // Buffer handle used by the DRI allocator.
-  uint32_t handle_;
-
-  // Buffer ID used by the DRI modesettings API. This is set when the buffer is
-  // registered with the CRTC.
-  uint32_t framebuffer_;
-
-  DISALLOW_COPY_AND_ASSIGN(DriSkBitmap);
-};
-
-}  // namespace gfx
-
-#endif  // UI_GFX_OZONE_IMPL_DRI_SKBITMAP_H_