Convert //chrome/browser/chromeos from scoped_ptr to std::unique_ptr

chrome/browser/chromeos/ui/focus_ring_controller.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 CHROME_BROWSER_CHROMEOS_UI_FOCUS_RING_CONTROLLER_H_
 #define CHROME_BROWSER_CHROMEOS_UI_FOCUS_RING_CONTROLLER_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/chromeos/ui/focus_ring_layer.h"
 #include "ui/views/focus/focus_manager.h"
 #include "ui/views/focus/widget_focus_manager.h"
 #include "ui/views/widget/widget_observer.h"
 
 namespace views {
 class View;
 class Widget;
 }
 
@@ skipping 34 matching lines @@
 
   // views::FocusChangeListener overrides:
   void OnWillChangeFocus(views::View* focused_before,
                          views::View* focused_now) override;
   void OnDidChangeFocus(views::View* focused_before,
                         views::View* focused_now) override;
 
   bool visible_;
 
   views::Widget* widget_;
-  scoped_ptr<FocusRingLayer> focus_ring_layer_;
+  std::unique_ptr<FocusRingLayer> focus_ring_layer_;
 
   DISALLOW_COPY_AND_ASSIGN(FocusRingController);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_UI_FOCUS_RING_CONTROLLER_H_