Replace scoped_ptr with std::unique_ptr in //ui

ui/ozone/platform/drm/gpu/drm_thread.h

 // Copyright 2015 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_THREAD_H_
 #define UI_OZONE_PLATFORM_DRM_GPU_DRM_THREAD_H_
 
 #include <stdint.h>
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/thread.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/vsync_provider.h"
 #include "ui/ozone/common/gpu/ozone_gpu_message_params.h"
 #include "ui/ozone/public/surface_ozone_egl.h"
 
 namespace base {
 struct FileDescriptor;
 }
@@ skipping 89 matching lines @@
                     const base::Callback<void(int64_t, bool)>& callback);
   void SetColorCorrection(int64_t display_id,
                           const std::vector<GammaRampRGBEntry>& degamma_lut,
                           const std::vector<GammaRampRGBEntry>& gamma_lut,
                           const std::vector<float>& correction_matrix);
 
   // base::Thread:
   void Init() override;
 
  private:
-  scoped_ptr<DrmDeviceManager> device_manager_;
-  scoped_ptr<ScanoutBufferGenerator> buffer_generator_;
-  scoped_ptr<ScreenManager> screen_manager_;
-  scoped_ptr<DrmGpuDisplayManager> display_manager_;
+  std::unique_ptr<DrmDeviceManager> device_manager_;
+  std::unique_ptr<ScanoutBufferGenerator> buffer_generator_;
+  std::unique_ptr<ScreenManager> screen_manager_;
+  std::unique_ptr<DrmGpuDisplayManager> display_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(DrmThread);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRM_GPU_DRM_THREAD_H_