Convert //ash from scoped_ptr to std::unique_ptr

ash/wm/overview/window_selector_item.h

 // Copyright 2013 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_OVERVIEW_WINDOW_SELECTOR_ITEM_H_
 #define ASH_WM_OVERVIEW_WINDOW_SELECTOR_ITEM_H_
 
+#include <memory>
+
 #include "ash/ash_export.h"
 #include "ash/wm/overview/scoped_transform_overview_window.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "ui/aura/scoped_window_targeter.h"
 #include "ui/aura/window_observer.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/controls/button/image_button.h"
 #include "ui/views/controls/button/label_button.h"
 
 namespace aura {
 class Window;
 }
@@ skipping 120 matching lines @@
 
   // The target bounds this selector item is fit within.
   gfx::Rect target_bounds_;
 
   // True if running SetItemBounds. This prevents recursive calls resulting from
   // the bounds update when calling ::wm::RecreateWindowLayers to copy
   // a window layer for display on another monitor.
   bool in_bounds_update_;
 
   // Label under the window displaying its active tab name.
-  scoped_ptr<views::Widget> window_label_;
+  std::unique_ptr<views::Widget> window_label_;
 
   // View for the label under the window.
   OverviewLabelButton* window_label_button_view_;
 
   // The close buttons widget container.
   views::Widget close_button_widget_;
 
   // An easy to access close button for the window in this item. Owned by the
   // close_button_widget_.
   views::ImageButton* close_button_;
 
   // Pointer to the WindowSelector that owns the WindowGrid containing |this|.
   // Guaranteed to be non-null for the lifetime of |this|.
   WindowSelector* window_selector_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowSelectorItem);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_OVERVIEW_WINDOW_SELECTOR_ITEM_H_