Ozone support for multiprocess graphics.

ui/ozone/platform/drm/gpu/drm_device.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_DRM_GPU_DRM_DEVICE_H_
 #define UI_OZONE_PLATFORM_DRM_GPU_DRM_DEVICE_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 160 matching lines @@
   // Drm master related
   virtual bool SetMaster();
   virtual bool DropMaster();
 
   int get_fd() const { return file_.GetPlatformFile(); }
 
   base::FilePath device_path() const { return device_path_; }
 
   HardwareDisplayPlaneManager* plane_manager() { return plane_manager_.get(); }
 
+  bool BufferHandleToFd(uint32_t handle, int* fd);
+  bool BufferFdToHandle(int fd, uint32_t* handle);
+  bool BufferHandleSetTiling(uint32_t handle,
+                             uint32_t stride,
+                             uint32_t tiling_mode);
+
  protected:
   friend class base::RefCountedThreadSafe<DrmDevice>;
 
   virtual ~DrmDevice();
 
   scoped_ptr<HardwareDisplayPlaneManager> plane_manager_;
 
  private:
   class IOWatcher;
   class PageFlipManager;
@@ skipping 11 matching lines @@
   scoped_refptr<IOWatcher> watcher_;
 
   scoped_refptr<PageFlipManager> page_flip_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(DrmDevice);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRM_GPU_DRM_DEVICE_H_