Replace scoped_ptr with std::unique_ptr in //ui

ui/ozone/platform/drm/host/drm_display_host.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_HOST_DRM_DISPLAY_HOST_H_
 #define UI_OZONE_PLATFORM_DRM_HOST_DRM_DISPLAY_HOST_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "ui/display/types/display_constants.h"
 #include "ui/display/types/native_display_delegate.h"
 #include "ui/ozone/platform/drm/host/gpu_thread_observer.h"
 
 namespace ui {
 
 struct DisplaySnapshot_Params;
 class DisplaySnapshot;
 class GpuThreadAdapter;
 
@@ skipping 25 matching lines @@
   // GpuThreadObserver:
   void OnGpuThreadReady() override;
   void OnGpuThreadRetired() override;
 
  private:
   // Calls all the callbacks with failure.
   void ClearCallbacks();
 
   GpuThreadAdapter* sender_;  // Not owned.
 
-  scoped_ptr<DisplaySnapshot> snapshot_;
+  std::unique_ptr<DisplaySnapshot> snapshot_;
 
   // Used during startup to signify that any display configuration should be
   // synchronous and succeed.
   bool is_dummy_;
 
   ConfigureCallback configure_callback_;
   GetHDCPStateCallback get_hdcp_callback_;
   SetHDCPStateCallback set_hdcp_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(DrmDisplayHost);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRM_HOST_DRM_DISPLAY_HOST_H_