Convert //ash from scoped_ptr to std::unique_ptr

ash/utility/partial_screenshot_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_UTILITY_PARTIAL_SCREENSHOT_CONTROLLER_H_
 #define ASH_UTILITY_PARTIAL_SCREENSHOT_CONTROLLER_H_
 
 #include <stdint.h>
 
 #include <map>
+#include <memory>
 
 #include "ash/ash_export.h"
 #include "ash/shell_observer.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "ui/events/event_handler.h"
 #include "ui/gfx/display_observer.h"
 #include "ui/gfx/geometry/point.h"
 
 namespace aura {
 class Window;
 }
 
 namespace ui {
 class LocatedEvent;
@@ skipping 42 matching lines @@
                                uint32_t changed_metrics) override;
 
   // The data to build the screenshot region.
   gfx::Point start_position_;
   aura::Window* root_window_;
 
   // Layers to create the visual effect of region selection.
   std::map<aura::Window*, PartialScreenshotLayer*> layers_;
 
   // The object to specify the crosshair cursor.
-  scoped_ptr<ScopedCursorSetter> cursor_setter_;
+  std::unique_ptr<ScopedCursorSetter> cursor_setter_;
 
   // ScreenshotDelegate to take the actual screenshot. No ownership.
   ScreenshotDelegate* screenshot_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(PartialScreenshotController);
 };
 
 }  // namespace ash
 
 #endif  // #ifndef ASH_WM_PARTIAL_SCREENSHOT_VIEW_H_