Replace scoped_ptr with std::unique_ptr in //ui

ui/accelerated_widget_mac/io_surface_context.h

 // Copyright (c) 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 UI_ACCELERATED_WIDGET_MAC_IO_SURFACE_CONTEXT_H_
 #define UI_ACCELERATED_WIDGET_MAC_IO_SURFACE_CONTEXT_H_
 
 #include <OpenGL/OpenGL.h>
+
 #include <map>
+#include <memory>
 
 #include "base/lazy_instance.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "ui/accelerated_widget_mac/accelerated_widget_mac_export.h"
 #include "ui/gl/gpu_switching_observer.h"
 #include "ui/gl/scoped_cgl.h"
 
 namespace ui {
 
 class IOSurfaceContext
     : public base::RefCounted<IOSurfaceContext>,
       public ui::GpuSwitchingObserver {
  public:
@@ skipping 39 matching lines @@
   // The global map from window number and window ordering to
   // context data.
   typedef std::map<Type, IOSurfaceContext*> TypeMap;
   static base::LazyInstance<TypeMap> type_map_;
   static TypeMap* type_map();
 };
 
 }  // namespace ui
 
 #endif  // UI_ACCELERATED_WIDGET_MAC_IO_SURFACE_CONTEXT_H_