Convert //ash from scoped_ptr to std::unique_ptr

ash/frame/custom_frame_view_ash.h

 // Copyright (c) 2012 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 ASH_FRAME_CUSTOM_FRAME_VIEW_ASH_H_
 #define ASH_FRAME_CUSTOM_FRAME_VIEW_ASH_H_
 
+#include <memory>
+
 #include "ash/ash_export.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/views/window/non_client_view.h"
 
 namespace ash {
 class FrameBorderHitTestController;
 class FrameCaptionButtonContainerView;
 class ImmersiveFullscreenController;
 }
 namespace views {
 class Widget;
@@ skipping 66 matching lines @@
   int NonClientTopBorderHeight() const;
 
   // Not owned.
   views::Widget* frame_;
 
   // View which contains the title and window controls.
   class HeaderView;
   HeaderView* header_view_;
 
   // Updates the hittest bounds overrides based on the window state type.
-  scoped_ptr<FrameBorderHitTestController> frame_border_hit_test_controller_;
+  std::unique_ptr<FrameBorderHitTestController>
+      frame_border_hit_test_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(CustomFrameViewAsh);
 };
 
 }  // namespace ash
 
 #endif  // ASH_FRAME_CUSTOM_FRAME_VIEW_ASH_H_