Replace scoped_ptr with std::unique_ptr in //ui

ui/message_center/views/message_center_view.h

Index: ui/message_center/views/message_center_view.h
diff --git a/ui/message_center/views/message_center_view.h b/ui/message_center/views/message_center_view.h
index 69d890da77cacc8c0ca9d17f3053e814a4c8b8ce..194754f448a7ebfb343f882f70865f1fbb3b213f 100644
--- a/ui/message_center/views/message_center_view.h
+++ b/ui/message_center/views/message_center_view.h
@@ -79,7 +79,7 @@ class MESSAGE_CENTER_EXPORT MessageCenterView : public views::View,
   void ClickOnNotification(const std::string& notification_id) override;
   void RemoveNotification(const std::string& notification_id,
                           bool by_user) override;
-  scoped_ptr<ui::MenuModel> CreateMenuModel(
+  std::unique_ptr<ui::MenuModel> CreateMenuModel(
       const NotifierId& notifier_id,
       const base::string16& display_source) override;
   bool HasClickedListener(const std::string& notification_id) override;
@@ -109,8 +109,8 @@ class MESSAGE_CENTER_EXPORT MessageCenterView : public views::View,
 
   // Child views.
   views::ScrollView* scroller_;
-  scoped_ptr<MessageListView> message_list_view_;
-  scoped_ptr<views::View> empty_list_view_;
+  std::unique_ptr<MessageListView> message_list_view_;
+  std::unique_ptr<views::View> empty_list_view_;
   NotifierSettingsView* settings_view_;
   MessageCenterButtonBar* button_bar_;
   bool top_down_;
@@ -120,7 +120,7 @@ class MESSAGE_CENTER_EXPORT MessageCenterView : public views::View,
 
   // Animation managing transition between message center and settings (and vice
   // versa).
-  scoped_ptr<gfx::MultiAnimation> settings_transition_animation_;
+  std::unique_ptr<gfx::MultiAnimation> settings_transition_animation_;
 
   // Helper data to keep track of the transition between settings and
   // message center views.
@@ -133,7 +133,7 @@ class MESSAGE_CENTER_EXPORT MessageCenterView : public views::View,
   // ignored.
   bool is_closing_;
 
-  scoped_ptr<MessageViewContextMenuController> context_menu_controller_;
+  std::unique_ptr<MessageViewContextMenuController> context_menu_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(MessageCenterView);
 };