Use StrongBinding instead of InterfaceImpl in wm event dispatcher

services/window_manager/window_manager_app.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 SERVICES_WINDOW_MANAGER_WINDOW_MANAGER_APP_H_
 #define SERVICES_WINDOW_MANAGER_WINDOW_MANAGER_APP_H_
 
 #include <set>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 37 matching lines @@
 // instances.
 class WindowManagerApp
     : public mojo::ApplicationDelegate,
       public mojo::ViewManagerDelegate,
       public mojo::ViewObserver,
       public ui::EventHandler,
       public FocusControllerObserver,
       public CaptureControllerObserver,
       public mojo::InterfaceFactory<mojo::WindowManager>,
       public mojo::InterfaceFactory<mojo::WindowManagerInternal>,
+      public mojo::InterfaceFactory<mojo::NativeViewportEventDispatcher>,
       public mojo::WindowManagerInternal {
  public:
   WindowManagerApp(ViewManagerDelegate* view_manager_delegate,
                    WindowManagerDelegate* window_manager_delegate);
   ~WindowManagerApp() override;
 
   ViewEventDispatcher* event_dispatcher() {
     return view_event_dispatcher_.get();
   }
 
@@ skipping 78 matching lines @@
 
   // InterfaceFactory<WindowManagerInternal>:
   void Create(
       mojo::ApplicationConnection* connection,
       mojo::InterfaceRequest<mojo::WindowManagerInternal> request) override;
 
   // InterfaceFactory<WindowManager>:
   void Create(mojo::ApplicationConnection* connection,
               mojo::InterfaceRequest<mojo::WindowManager> request) override;
 
+  // InterfaceFactory<NativeViewportEventDispatcher>:
+  void Create(mojo::ApplicationConnection* connection,
+              mojo::InterfaceRequest<mojo::NativeViewportEventDispatcher>
+                  request) override;
+
   // WindowManagerInternal:
   void CreateWindowManagerForViewManagerClient(
       uint16_t connection_id,
       mojo::ScopedMessagePipeHandle window_manager_pipe) override;
   void SetViewManagerClient(
       mojo::ScopedMessagePipeHandle view_manager_client_request) override;
 
   mojo::Shell* shell_;
 
-  mojo::InterfaceFactoryImplWithContext<NativeViewportEventDispatcherImpl,
-                                        WindowManagerApp>
-      native_viewport_event_dispatcher_factory_;
-
   ViewManagerDelegate* wrapped_view_manager_delegate_;
   WindowManagerDelegate* window_manager_delegate_;
 
   mojo::ViewManagerServicePtr view_manager_service_;
   scoped_ptr<mojo::ViewManagerClientFactory> view_manager_client_factory_;
   mojo::View* root_;
 
   scoped_ptr<FocusController> focus_controller_;
   scoped_ptr<CaptureController> capture_controller_;
 
   Connections connections_;
   RegisteredViewIdSet registered_view_id_set_;
 
   mojo::WindowManagerInternalClientPtr window_manager_client_;
 
   ScopedVector<PendingEmbed> pending_embeds_;
 
   scoped_ptr<mojo::ViewManagerClient> view_manager_client_;
 
   scoped_ptr<ViewEventDispatcher> view_event_dispatcher_;
 
   scoped_ptr<mojo::Binding<WindowManagerInternal>> wm_internal_binding_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowManagerApp);
 };
 
 }  // namespace window_manager
 
 #endif  // SERVICES_WINDOW_MANAGER_WINDOW_MANAGER_APP_H_