Replace scoped_ptr with std::unique_ptr in //ui

ui/gfx/screen_mac.mm

 // 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.
 
 #include "ui/gfx/screen.h"
 
 #import <ApplicationServices/ApplicationServices.h>
 #import <Cocoa/Cocoa.h>
 #include <stdint.h>
 
 #include <map>
+#include <memory>
 
 #include "base/logging.h"
 #include "base/mac/sdk_forward_declarations.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/timer/timer.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/display_change_notifier.h"
 #include "ui/gfx/mac/coordinate_conversion.h"
 
 namespace {
 
 // The delay to handle the display configuration changes.
 // See comments in ScreenMac::HandleDisplayReconfiguration.
 const int64_t kConfigureDelayMs = 500;
@@ skipping 215 matching lines @@
       return std::vector<gfx::Display>(1, GetPrimaryDisplay());
 
     return displays;
   }
 
   // The displays currently attached to the device.
   std::vector<gfx::Display> displays_;
 
   // The timer to delay configuring outputs. See also the comments in
   // HandleDisplayReconfiguration().
-  scoped_ptr<base::OneShotTimer> configure_timer_;
+  std::unique_ptr<base::OneShotTimer> configure_timer_;
 
   gfx::DisplayChangeNotifier change_notifier_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenMac);
 };
 
 }  // namespace
 
 namespace gfx {
 
 #if !defined(USE_AURA)
 Screen* CreateNativeScreen() {
   return new ScreenMac;
 }
 #endif
 
 }