Enables passing initial properties to top level window creation

ui/aura/mus/window_port_mus.h

 // Copyright 2016 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.
 
 #ifndef UI_AURA_MUS_WINDOW_PORT_MUS_H_
 #define UI_AURA_MUS_WINDOW_PORT_MUS_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 12 matching lines @@
 #include "ui/platform_window/mojo/text_input_state.mojom.h"
 
 namespace aura {
 
 class PropertyConverter;
 class SurfaceIdHandler;
 class Window;
 class WindowPortMusTestApi;
 class WindowTreeClient;
 class WindowTreeClientPrivate;
+class WindowTreeHostMus;
 
 // WindowPortMus is a WindowPort that forwards calls to WindowTreeClient
 // so that changes are propagated to the server. All changes from
 // WindowTreeClient to the underlying Window route through this class (by
 // way of WindowMus) and are done in such a way that they don't result in
 // calling back to WindowTreeClient.
 class AURA_EXPORT WindowPortMus : public WindowPort, public WindowMus {
  public:
   // See WindowMus's constructor for details on |window_mus_type|.
   WindowPortMus(WindowTreeClient* client, WindowMusType window_mus_type);
@@ skipping 21 matching lines @@
           compositor_frame_sink_binding);
 
   void set_surface_id_handler(SurfaceIdHandler* surface_id_handler) {
     surface_id_handler_ = surface_id_handler;
   }
 
  private:
   friend class WindowPortMusTestApi;
   friend class WindowTreeClient;
   friend class WindowTreeClientPrivate;
+  friend class WindowTreeHostMus;
 
   using ServerChangeIdType = uint8_t;
 
   // Changes to the underlying Window originating from the server must be done
   // in such a way that the same change is not applied back to the server. To
   // accomplish this every changes from the server is associated with at least
   // one ServerChange. If the underlying Window ends up calling back to this
   // class and the change is expected then the change is ignored and not sent to
   // the server. For example, here's the flow when the server changes the
   // bounds:
@@ skipping 141 matching lines @@
   std::unique_ptr<SurfaceInfo> surface_info_;
 
   ui::mojom::Cursor predefined_cursor_ = ui::mojom::Cursor::CURSOR_NULL;
 
   DISALLOW_COPY_AND_ASSIGN(WindowPortMus);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_MUS_WINDOW_PORT_MUS_H_