Replace scoped_ptr with std::unique_ptr in //ui

ui/ozone/platform/cast/overlay_manager_cast.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_CAST_OVERLAY_MANAGER_CAST_H_
 #define UI_OZONE_PLATFORM_CAST_OVERLAY_MANAGER_CAST_H_
 
+#include <memory>
+
 #include "base/callback.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "chromecast/public/graphics_types.h"
 #include "chromecast/public/video_plane.h"
 #include "ui/ozone/ozone_export.h"
 #include "ui/ozone/public/overlay_manager_ozone.h"
 
 namespace ui {
 
 class OZONE_EXPORT OverlayManagerCast : public OverlayManagerOzone {
  public:
   OverlayManagerCast();
   ~OverlayManagerCast() override;
 
   // OverlayManagerOzone:
-  scoped_ptr<OverlayCandidatesOzone> CreateOverlayCandidates(
+  std::unique_ptr<OverlayCandidatesOzone> CreateOverlayCandidates(
       gfx::AcceleratedWidget w) override;
 
   // Callback that's made whenever an overlay quad is processed
   // in the compositor.  Used to allow hardware video plane to
   // be positioned to match compositor hole.
   using OverlayCompositedCallback =
       base::Callback<void(const chromecast::RectF&,
                           chromecast::media::VideoPlane::Transform)>;
   static void SetOverlayCompositedCallback(const OverlayCompositedCallback& cb);
 
  private:
 
   DISALLOW_COPY_AND_ASSIGN(OverlayManagerCast);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_CAST_OVERLAY_MANAGER_CAST_H_