Convert //ash from scoped_ptr to std::unique_ptr

ash/drag_drop/drag_drop_controller.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_DRAG_DROP_DRAG_DROP_CONTROLLER_H_
 #define ASH_DRAG_DROP_DRAG_DROP_CONTROLLER_H_
 
+#include <memory>
+
 #include "ash/ash_export.h"
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "ui/aura/window_observer.h"
 #include "ui/base/dragdrop/os_exchange_data.h"
 #include "ui/events/event_constants.h"
 #include "ui/events/event_handler.h"
 #include "ui/gfx/animation/animation_delegate.h"
 #include "ui/gfx/geometry/rect.h"
@@ skipping 68 matching lines @@
 
   // Helper method to start drag widget flying back animation.
   void StartCanceledAnimation(int animation_duration_ms);
 
   // Helper method to forward |pending_log_tap_| event to |drag_source_window_|.
   void ForwardPendingLongTap();
 
   // Helper method to reset everything.
   void Cleanup();
 
-  scoped_ptr<DragImageView> drag_image_;
+  std::unique_ptr<DragImageView> drag_image_;
   gfx::Vector2d drag_image_offset_;
   const ui::OSExchangeData* drag_data_;
   int drag_operation_;
 
   // Window that is currently under the drag cursor.
   aura::Window* drag_window_;
 
   // Starting and final bounds for the drag image for the drag cancel animation.
   gfx::Rect drag_image_initial_bounds_for_cancel_animation_;
   gfx::Rect drag_image_final_bounds_for_cancel_animation_;
 
-  scoped_ptr<gfx::LinearAnimation> cancel_animation_;
+  std::unique_ptr<gfx::LinearAnimation> cancel_animation_;
 
   // Window that started the drag.
   aura::Window* drag_source_window_;
 
   // Indicates whether the caller should be blocked on a drag/drop session.
   // Only be used for tests.
   bool should_block_during_drag_drop_;
 
   // Closure for quitting nested message loop.
   base::Closure quit_closure_;
 
-  scoped_ptr<ash::DragDropTracker> drag_drop_tracker_;
-  scoped_ptr<DragDropTrackerDelegate> drag_drop_window_delegate_;
+  std::unique_ptr<ash::DragDropTracker> drag_drop_tracker_;
+  std::unique_ptr<DragDropTrackerDelegate> drag_drop_window_delegate_;
 
   ui::DragDropTypes::DragEventSource current_drag_event_source_;
 
   // Holds a synthetic long tap event to be sent to the |drag_source_window_|.
   // See comment in OnGestureEvent() on why we need this.
-  scoped_ptr<ui::GestureEvent> pending_long_tap_;
+  std::unique_ptr<ui::GestureEvent> pending_long_tap_;
 
   base::WeakPtrFactory<DragDropController> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DragDropController);
 };
 
 }  // namespace ash
 
 #endif  // ASH_DRAG_DROP_DRAG_DROP_CONTROLLER_H_