Routes calls to WM through WS

ui/views/mus/window_manager_connection.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 "ui/views/mus/window_manager_connection.h"
 
 #include "base/lazy_instance.h"
 #include "base/threading/thread_local.h"
 #include "components/mus/public/cpp/window_tree_connection.h"
 #include "components/mus/public/interfaces/window_tree.mojom.h"
@@ skipping 107 matching lines @@
       app, "views_mus_resources.pak",
       GetDisplaysFromWindowManager(&window_manager_)));
 }
 
 WindowManagerConnection::~WindowManagerConnection() {}
 
 NativeWidget* WindowManagerConnection::CreateNativeWidget(
     internal::NativeWidgetDelegate* delegate) {
   NativeWidgetMus* native_widget =
       new NativeWidgetMus(delegate, app_->shell(), CreateWindow());
-  native_widget->set_window_manager(window_manager_.get());
   return native_widget;
 }
 
 void WindowManagerConnection::OnBeforeWidgetInit(
     Widget::InitParams* params,
     internal::NativeWidgetDelegate* delegate) {}
 
 void WindowManagerConnection::OnEmbed(mus::Window* root) {}
 void WindowManagerConnection::OnConnectionLost(
     mus::WindowTreeConnection* connection) {}
 
 #if defined(OS_WIN)
 HICON WindowManagerConnection::GetSmallWindowIcon() const {
   return nullptr;
 }
 #endif
 
 }  // namespace views