Routes calls to WM through WS

components/mus/mus_app.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 "components/mus/mus_app.h"
 
 #include "base/stl_util.h"
 #include "components/mus/gles2/gpu_impl.h"
 #include "components/mus/public/cpp/args.h"
 #include "components/mus/surfaces/surfaces_scheduler.h"
@@ skipping 110 matching lines @@
 
 void MandolineUIServicesApp::Create(mojo::ApplicationConnection* connection,
                                     mojo::InterfaceRequest<Gpu> request) {
   DCHECK(gpu_state_.get());
   new GpuImpl(request.Pass(), gpu_state_);
 }
 
 void MandolineUIServicesApp::CreateWindowTreeHost(
     mojo::InterfaceRequest<mojom::WindowTreeHost> host,
     mojom::WindowTreeHostClientPtr host_client,
-    mojom::WindowTreeClientPtr tree_client) {
+    mojom::WindowTreeClientPtr tree_client,
+    mojom::WindowManagerPtr window_manager) {
   DCHECK(connection_manager_.get());
 
   // TODO(fsamuel): We need to make sure that only the window manager can create
   // new roots.
-  ws::WindowTreeHostImpl* host_impl =
-      new ws::WindowTreeHostImpl(host_client.Pass(), connection_manager_.get(),
-                                 app_impl_, gpu_state_, surfaces_state_);
+  ws::WindowTreeHostImpl* host_impl = new ws::WindowTreeHostImpl(
+      host_client.Pass(), connection_manager_.get(), app_impl_, gpu_state_,
+      surfaces_state_, window_manager.Pass());
 
   // WindowTreeHostConnection manages its own lifetime.
   host_impl->Init(new ws::WindowTreeHostConnectionImpl(
       host.Pass(), make_scoped_ptr(host_impl), tree_client.Pass(),
       connection_manager_.get()));
 }
 
 }  // namespace mus