Replace scoped_ptr with std::unique_ptr in //ui

ui/display/chromeos/x11/native_display_delegate_x11.h

 // Copyright 2014 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_DISPLAY_CHROMEOS_X11_NATIVE_DISPLAY_DELEGATE_X11_H_
 #define UI_DISPLAY_CHROMEOS_X11_NATIVE_DISPLAY_DELEGATE_X11_H_
 
 #include <stdint.h>
 
 #include <map>
+#include <memory>
 #include <set>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/event_types.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/observer_list.h"
 #include "ui/display/display_export.h"
 #include "ui/display/types/native_display_delegate.h"
 #include "ui/gfx/geometry/point.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/x/x11_types.h"
 
 // Forward declarations for Xlib and Xrandr.
 // This is so unused X definitions don't pollute the namespace.
@@ skipping 124 matching lines @@
       gfx::XObjectDeleter<XRRScreenResources, void, XRRFreeScreenResources>>
       screen_;
 
   std::map<RRMode, DisplayModeX11*> modes_;
 
   // Every time GetOutputs() is called we cache the updated list of outputs in
   // |cached_outputs_| so that we can check for duplicate events rather than
   // propagate them.
   ScopedVector<DisplaySnapshot> cached_outputs_;
 
-  scoped_ptr<HelperDelegate> helper_delegate_;
+  std::unique_ptr<HelperDelegate> helper_delegate_;
 
   // Processes X11 display events associated with the root window and notifies
   // |observers_| when a display change has occurred.
-  scoped_ptr<NativeDisplayEventDispatcherX11> platform_event_dispatcher_;
+  std::unique_ptr<NativeDisplayEventDispatcherX11> platform_event_dispatcher_;
 
   // List of observers waiting for display configuration change events.
   base::ObserverList<NativeDisplayObserver> observers_;
 
   // A background color used during boot time + multi displays.
   uint32_t background_color_argb_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeDisplayDelegateX11);
 };
 
 }  // namespace ui
 
 #endif  // UI_DISPLAY_CHROMEOS_X11_NATIVE_DISPLAY_DELEGATE_X11_H_