mojo: first take on removing mojo_main_{chromium,standalone}.

mojo/services/view_manager/window_tree_host_impl.cc

 // Copyright 2013 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/view_manager/root_node_manager.h"
-#include "mojo/services/view_manager/window_tree_host_impl.h"
 #include "mojo/public/c/gles2/gles2.h"
 #include "mojo/services/public/cpp/geometry/geometry_type_converters.h"
 #include "mojo/services/public/cpp/input_events/input_events_type_converters.h"
 #include "mojo/services/view_manager/context_factory_impl.h"
+#include "mojo/services/view_manager/root_node_manager.h"
+#include "mojo/services/view_manager/window_tree_host_impl.h"
 #include "ui/aura/env.h"
 #include "ui/aura/layout_manager.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/compositor/compositor.h"
 #include "ui/events/event.h"
 #include "ui/events/event_constants.h"
 #include "ui/gfx/geometry/insets.h"
 #include "ui/gfx/geometry/rect.h"
 
@@ skipping 170 matching lines @@
 }
 
 void WindowTreeHostImpl::OnEvent(EventPtr event,
                                  const mojo::Callback<void()>& callback) {
   event_received_callback_.Run(event.Pass());
   callback.Run();
 };
 
 }  // namespace service
 }  // namespace mojo