Makes it possible for clients to directly create WindowTreeHostMus

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 18 matching lines @@
 class WindowTreeClient;
 class WindowTreeClientPrivate;
 
 // 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 |create_remote_window|.
-  explicit WindowPortMus(WindowTreeClient* client,
-                         bool create_remote_window = true);
+  // See WindowMus's constructor for details on |window_mus_type|.
+  WindowPortMus(WindowTreeClient* client, WindowMusType window_mus_type);
   ~WindowPortMus() override;
 
   static WindowPortMus* Get(Window* window);
 
   Window* window() { return window_; }
   const Window* window() const { return window_; }
 
   void SetTextInputState(mojo::TextInputStatePtr state);
   void SetImeVisibility(bool visible, mojo::TextInputStatePtr state);
 
@@ skipping 131 matching lines @@
   void RemoveTransientChildFromServer(WindowMus* child) override;
   ChangeSource OnTransientChildAdded(WindowMus* child) override;
   ChangeSource OnTransientChildRemoved(WindowMus* child) override;
   std::unique_ptr<WindowMusChangeData> PrepareForServerBoundsChange(
       const gfx::Rect& bounds) override;
   std::unique_ptr<WindowMusChangeData> PrepareForServerVisibilityChange(
       bool value) override;
   void NotifyEmbeddedAppDisconnected() override;
 
   // WindowPort:
-  std::unique_ptr<WindowPortInitData> OnPreInit(Window* window) override;
-  void OnPostInit(std::unique_ptr<WindowPortInitData> init_data) override;
+  void OnPreInit(Window* window) override;
   void OnDeviceScaleFactorChanged(float device_scale_factor) override;
   void OnWillAddChild(Window* child) override;
   void OnWillRemoveChild(Window* child) override;
   void OnWillMoveChild(size_t current_index, size_t dest_index) override;
   void OnVisibilityChanged(bool visible) override;
   void OnDidChangeBounds(const gfx::Rect& old_bounds,
                          const gfx::Rect& new_bounds) override;
   std::unique_ptr<WindowPortPropertyData> OnWillChangeProperty(
       const void* key) override;
   void OnPropertyChanged(const void* key,
@@ skipping 10 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_