Replace scoped_ptr with std::unique_ptr in //ui

ui/ozone/platform/drm/gpu/drm_window.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_WINDOW_H_
 #define UI_OZONE_PLATFORM_DRM_GPU_DRM_WINDOW_H_
 
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 100 matching lines @@
 
   DrmDeviceManager* device_manager_;  // Not owned.
   ScreenManager* screen_manager_;     // Not owned.
 
   // The current bounds of the window.
   gfx::Rect bounds_;
 
   // The controller associated with the current window. This may be nullptr if
   // the window isn't over an active display.
   HardwareDisplayController* controller_ = nullptr;
-  scoped_ptr<DrmOverlayValidator> overlay_validator_;
+  std::unique_ptr<DrmOverlayValidator> overlay_validator_;
 
   base::RepeatingTimer cursor_timer_;
 
   scoped_refptr<DrmBuffer> cursor_buffers_[2];
   int cursor_frontbuffer_ = 0;
 
   std::vector<SkBitmap> cursor_bitmaps_;
   gfx::Point cursor_location_;
   int cursor_frame_ = 0;
   int cursor_frame_delay_ms_ = 0;
 
   OverlayPlaneList last_submitted_planes_;
 
   bool force_buffer_reallocation_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(DrmWindow);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRM_GPU_DRM_WINDOW_H_