Replace scoped_ptr with std::unique_ptr in //ui

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 <stddef.h>
 #include <stdint.h>
 
@@ skipping 168 matching lines @@
 
   base::FilePath device_path() const { return device_path_; }
 
   HardwareDisplayPlaneManager* plane_manager() { return plane_manager_.get(); }
 
  protected:
   friend class base::RefCountedThreadSafe<DrmDevice>;
 
   virtual ~DrmDevice();
 
-  scoped_ptr<HardwareDisplayPlaneManager> plane_manager_;
+  std::unique_ptr<HardwareDisplayPlaneManager> plane_manager_;
 
  private:
   class IOWatcher;
   class PageFlipManager;
 
   // Path to the DRM device (in sysfs).
   const base::FilePath device_path_;
 
   // DRM device.
   base::File file_;
 
-  scoped_ptr<PageFlipManager> page_flip_manager_;
+  std::unique_ptr<PageFlipManager> page_flip_manager_;
 
   // Watcher for |fd_| listening for page flip events.
-  scoped_ptr<IOWatcher> watcher_;
+  std::unique_ptr<IOWatcher> watcher_;
 
   bool is_primary_device_;
 
   DISALLOW_COPY_AND_ASSIGN(DrmDevice);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRM_GPU_DRM_DEVICE_H_