Replace scoped_ptr with std::unique_ptr in //ui

ui/views/widget/desktop_aura/desktop_drop_target_win.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 UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTIOP_DROP_TARGET_WIN_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTIOP_DROP_TARGET_WIN_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "ui/aura/window_observer.h"
 #include "ui/base/dragdrop/drop_target_win.h"
 
 namespace aura {
 namespace client {
 class DragDropDelegate;
 }
 }
 
 namespace ui {
@@ skipping 30 matching lines @@
 
   // aura::WindowObserver implementation:
   void OnWindowDestroyed(aura::Window* window) override;
 
   // Common functionality for the ui::DropTargetWin methods to translate from
   // COM data types to Aura ones.
   void Translate(IDataObject* data_object,
                  DWORD key_state,
                  POINT cursor_position,
                  DWORD effect,
-                 scoped_ptr<ui::OSExchangeData>* data,
-                 scoped_ptr<ui::DropTargetEvent>* event,
+                 std::unique_ptr<ui::OSExchangeData>* data,
+                 std::unique_ptr<ui::DropTargetEvent>* event,
                  aura::client::DragDropDelegate** delegate);
 
   void NotifyDragLeave();
 
   // The root window associated with this drop target.
   aura::Window* root_window_;
 
   // The Aura window that is currently under the cursor. We need to manually
   // keep track of this because Windows will only call our drag enter method
   // once when the user enters the associated HWND. But inside that HWND there
   // could be multiple aura windows, so we need to generate drag enter events
   // for them.
   aura::Window* target_window_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopDropTargetWin);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTIOP_DROP_TARGET_WIN_H_