Replace scoped_ptr with std::unique_ptr in //ui

ui/views/examples/menu_example.cc

Index: ui/views/examples/menu_example.cc
diff --git a/ui/views/examples/menu_example.cc b/ui/views/examples/menu_example.cc
index 166a792a847a4b4fab05d4642935619d24091b67..378c90a76bc00ec2ea86194b5851693ccc39ef20 100644
--- a/ui/views/examples/menu_example.cc
+++ b/ui/views/examples/menu_example.cc
@@ -51,7 +51,7 @@ class ExampleMenuModel : public ui::SimpleMenuModel,
     COMMAND_GO_HOME,
   };
 
-  scoped_ptr<ui::SimpleMenuModel> submenu_;
+  std::unique_ptr<ui::SimpleMenuModel> submenu_;
   std::set<int> checked_fruits_;
   int current_encoding_command_id_;
 
@@ -71,8 +71,8 @@ class ExampleMenuButton : public MenuButton, public MenuButtonListener {
 
   ui::SimpleMenuModel* GetMenuModel();
 
-  scoped_ptr<ExampleMenuModel> menu_model_;
-  scoped_ptr<MenuRunner> menu_runner_;
+  std::unique_ptr<ExampleMenuModel> menu_model_;
+  std::unique_ptr<MenuRunner> menu_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(ExampleMenuButton);
 };