Replace scoped_ptr with std::unique_ptr in //ui

ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.h

Index: ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.h
diff --git a/ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.h b/ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.h
index 65dc403ddf2294720ad3997dd721c353c3e792b8..9fec7bbe020b2d6ea9029ed17780b88369fabed5 100644
--- a/ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.h
+++ b/ui/views/widget/desktop_aura/desktop_drag_drop_client_aurax11.h
@@ -6,12 +6,13 @@
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_DRAG_DROP_CLIENT_AURAX11_H_
 
 #include <X11/Xlib.h>
+
+#include <memory>
 #include <set>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/timer/timer.h"
 #include "ui/aura/window_observer.h"
@@ -106,7 +107,7 @@ class VIEWS_EXPORT DesktopDragDropClientAuraX11
   // The following methods are virtual for the sake of testing.
 
   // Creates a move loop.
-  virtual scoped_ptr<X11MoveLoop> CreateMoveLoop(
+  virtual std::unique_ptr<X11MoveLoop> CreateMoveLoop(
       X11MoveLoopDelegate* delegate);
 
   // Finds the topmost X11 window at |screen_point| and returns it if it is
@@ -148,8 +149,8 @@ class VIEWS_EXPORT DesktopDragDropClientAuraX11
   // the underlying aura::Window representation, as moves internal to the X11
   // window can cause internal drag leave and enter messages.
   void DragTranslate(const gfx::Point& root_window_location,
-                     scoped_ptr<ui::OSExchangeData>* data,
-                     scoped_ptr<ui::DropTargetEvent>* event,
+                     std::unique_ptr<ui::OSExchangeData>* data,
+                     std::unique_ptr<ui::DropTargetEvent>* event,
                      aura::client::DragDropDelegate** delegate);
 
   // Called when we need to notify the current aura::Window that we're no
@@ -201,7 +202,7 @@ class VIEWS_EXPORT DesktopDragDropClientAuraX11
 
   // A nested message loop that notifies this object of events through the
   // X11MoveLoopDelegate interface.
-  scoped_ptr<X11MoveLoop> move_loop_;
+  std::unique_ptr<X11MoveLoop> move_loop_;
 
   aura::Window* root_window_;
 
@@ -214,7 +215,7 @@ class VIEWS_EXPORT DesktopDragDropClientAuraX11
 
   // Target side information.
   class X11DragContext;
-  scoped_ptr<X11DragContext> target_current_context_;
+  std::unique_ptr<X11DragContext> target_current_context_;
 
   // The modifier state for the most recent mouse move.
   int current_modifier_state_;
@@ -238,7 +239,7 @@ class VIEWS_EXPORT DesktopDragDropClientAuraX11
 
   // If we would send an XdndPosition message while we're waiting for an
   // XdndStatus response, we need to cache the latest details we'd send.
-  scoped_ptr<std::pair<gfx::Point, unsigned long> > next_position_message_;
+  std::unique_ptr<std::pair<gfx::Point, unsigned long>> next_position_message_;
 
   // Reprocesses the most recent mouse move event if the mouse has not moved
   // in a while in case the window stacking order has changed and
@@ -275,7 +276,7 @@ class VIEWS_EXPORT DesktopDragDropClientAuraX11
   base::OneShotTimer end_move_loop_timer_;
 
   // Widget that the user drags around. May be NULL.
-  scoped_ptr<Widget> drag_widget_;
+  std::unique_ptr<Widget> drag_widget_;
 
   // The offset of |drag_widget_| relative to the mouse position.
   gfx::Vector2d drag_widget_offset_;