Convert //ash from scoped_ptr to std::unique_ptr

ash/wm/ash_native_cursor_manager.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_WM_ASH_NATIVE_CURSOR_MANAGER_H_
 #define ASH_WM_ASH_NATIVE_CURSOR_MANAGER_H_
 
+#include <memory>
+
 #include "ash/ash_export.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "ui/gfx/geometry/point.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/wm/core/native_cursor_manager.h"
 #include "ui/wm/core/native_cursor_manager_delegate.h"
 
 namespace ui {
 class ImageCursors;
 }
 
@@ skipping 33 matching lines @@
                     ::wm::NativeCursorManagerDelegate* delegate) override;
   void SetMouseEventsEnabled(
       bool enabled,
       ::wm::NativeCursorManagerDelegate* delegate) override;
 
   // The cursor location where the cursor was disabled.
   gfx::Point disabled_cursor_location_;
 
   bool native_cursor_enabled_;
 
-  scoped_ptr<ui::ImageCursors> image_cursors_;
+  std::unique_ptr<ui::ImageCursors> image_cursors_;
 
   DISALLOW_COPY_AND_ASSIGN(AshNativeCursorManager);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_ASH_NATIVE_CURSOR_MANAGER_H_