Routes calls to WM through WS

components/mus/ws/window_tree_apptest.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 "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.h"
 #include "components/mus/public/interfaces/window_tree.mojom.h"
 #include "components/mus/public/interfaces/window_tree_host.mojom.h"
@@ skipping 531 matching lines @@
 
     mojom::WindowTreeHostFactoryPtr factory;
     application_impl()->ConnectToService(request.Pass(), &factory);
 
     mojom::WindowTreeClientPtr tree_client_ptr;
     vm_client1_.reset(new TestWindowTreeClientImpl(application_impl()));
     vm_client1_->Bind(GetProxy(&tree_client_ptr));
 
     factory->CreateWindowTreeHost(GetProxy(&host_),
                                   mojom::WindowTreeHostClientPtr(),
-                                  tree_client_ptr.Pass());
+                                  tree_client_ptr.Pass(), nullptr);
 
     // Next we should get an embed call on the "window manager" client.
     vm_client1_->WaitForIncomingMethodCall();
 
     ASSERT_EQ(1u, changes1()->size());
     EXPECT_EQ(CHANGE_TYPE_EMBED, (*changes1())[0].type);
     // All these tests assume 1 for the client id. The only real assertion here
     // is the client id is not zero, but adding this as rest of code here
     // assumes 1.
     ASSERT_GT((*changes1())[0].connection_id, 0);
@@ skipping 1154 matching lines @@
 
 // TODO(sky): make sure coverage of what was
 // WindowManagerTest.SecondEmbedRoot_InitService and
 // WindowManagerTest.MultipleEmbedRootsBeforeWTHReady gets added to window
 // manager
 // tests.
 
 }  // namespace ws
 
 }  // namespace mus