ash/mus: Store the InterfaceRequest<>s directly in the vector.

ash/mus/window_manager_application.h

 // Copyright 2015 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 ASH_MUS_WINDOW_MANAGER_APPLICATION_H_
 #define ASH_MUS_WINDOW_MANAGER_APPLICATION_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 88 matching lines @@
   shell::Connector* connector_;
 
   mojo::TracingImpl tracing_;
 
   std::unique_ptr<views::AuraInit> aura_init_;
 
   // The |shelf_layout_| object is created once OnEmbed() is called. Until that
   // time |shelf_layout_requests_| stores pending interface requests.
   std::unique_ptr<ShelfLayoutImpl> shelf_layout_;
   mojo::BindingSet<mojom::ShelfLayout> shelf_layout_bindings_;
-  std::vector<std::unique_ptr<mojo::InterfaceRequest<mojom::ShelfLayout>>>
+  std::vector<mojo::InterfaceRequest<mojom::ShelfLayout>>
       shelf_layout_requests_;
 
   // |user_window_controller_| is created once OnEmbed() is called. Until that
   // time |user_window_controller_requests_| stores pending interface requests.
   std::unique_ptr<UserWindowControllerImpl> user_window_controller_;
   mojo::BindingSet<mojom::UserWindowController>
       user_window_controller_bindings_;
-  std::vector<
-      std::unique_ptr<mojo::InterfaceRequest<mojom::UserWindowController>>>
+  std::vector<mojo::InterfaceRequest<mojom::UserWindowController>>
       user_window_controller_requests_;
 
   std::unique_ptr<WindowManager> window_manager_;
 
   std::set<AcceleratorRegistrarImpl*> accelerator_registrars_;
 
   mash::session::mojom::SessionPtr session_;
 
   mojo::Binding<mash::session::mojom::ScreenlockStateListener>
       screenlock_state_listener_binding_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowManagerApplication);
 };
 
 }  // namespace mus
 }  // namespace ash
 
 #endif  // ASH_MUS_WINDOW_MANAGER_APPLICATION_H_