Mojo: Use InterfaceFactory<Interface> for service registration

mojo/services/window_manager/window_manager_service_impl.cc

 // 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.
 
 #include "mojo/services/window_manager/window_manager_service_impl.h"
 
 #include "mojo/services/window_manager/window_manager_app.h"
 
 namespace mojo {
 
 ////////////////////////////////////////////////////////////////////////////////
 // WindowManagerServiceImpl, public:
 
 WindowManagerServiceImpl::WindowManagerServiceImpl(
-    ApplicationConnection* connection,
     WindowManagerApp* window_manager)
     : window_manager_(window_manager) {
   window_manager_->AddConnection(this);
 }
 
 WindowManagerServiceImpl::~WindowManagerServiceImpl() {
   window_manager_->RemoveConnection(this);
 }
 
 void WindowManagerServiceImpl::NotifyReady() {
@@ skipping 72 matching lines @@
 
 void WindowManagerServiceImpl::OnConnectionEstablished() {
   // If the connection was established prior to the window manager being
   // embedded by the view manager, |window_manager_|'s ViewManagerDelegate
   // impl will call NotifyReady() when it is.
   if (window_manager_->IsReady())
     NotifyReady();
 }
 
 }  // namespace mojo