Changes how window manager obtains WindowTree from mus

components/mus/public/cpp/tests/window_server_test_base.cc

 // Copyright 2015 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/public/cpp/tests/window_server_test_base.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 108 matching lines @@
              : nullptr;
 }
 
 void WindowServerTestBase::OnWmClientJankinessChanged(
     const std::set<Window*>& client_windows,
     bool janky) {
   if (window_manager_delegate_)
     window_manager_delegate_->OnWmClientJankinessChanged(client_windows, janky);
 }
 
+void WindowServerTestBase::OnWmNewDisplay(Window* window,
+                                          const display::Display& display) {
+  if (window_manager_delegate_)
+    window_manager_delegate_->OnWmNewDisplay(window, display);
+}
+
 void WindowServerTestBase::OnAccelerator(uint32_t id, const ui::Event& event) {
   if (window_manager_delegate_)
     window_manager_delegate_->OnAccelerator(id, event);
 }
 
 void WindowServerTestBase::Create(shell::Connection* connection,
                                   mojom::WindowTreeClientRequest request) {
   new WindowTreeClient(this, nullptr, std::move(request));
 }
 
 }  // namespace mus