Convert //ash from scoped_ptr to std::unique_ptr

ash/display/cursor_window_controller.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 ASH_DISPLAY_CURSOR_WINDOW_CONTROLLER_H_
 #define ASH_DISPLAY_CURSOR_WINDOW_CONTROLLER_H_
 
+#include <memory>
+
 #include "ash/ash_export.h"
 #include "base/macros.h"
 #include "ui/aura/window.h"
 #include "ui/base/cursor/cursor.h"
 #include "ui/gfx/display.h"
 
 namespace ash {
 namespace test {
 class MirrorWindowTestApi;
 }
@@ skipping 62 matching lines @@
   // The last requested cursor visibility.
   bool visible_;
 
   ui::CursorSetType cursor_set_;
   gfx::Point hot_point_;
 
   // The display on which the cursor is drawn.
   // For mirroring mode, the display is always the primary display.
   gfx::Display display_;
 
-  scoped_ptr<aura::Window> cursor_window_;
-  scoped_ptr<CursorWindowDelegate> delegate_;
+  std::unique_ptr<aura::Window> cursor_window_;
+  std::unique_ptr<CursorWindowDelegate> delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(CursorWindowController);
 };
 
 }  // namespace ash
 
 #endif  // ASH_DISPLAY_CURSOR_WINDOW_CONTROLLER_H_