mus-ws: Plumb FrameSinkId to Children

ui/aura/mus/window_tree_host_mus.h

 // 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.
 
 #ifndef UI_AURA_MUS_WINDOW_TREE_HOST_MUS_H_
 #define UI_AURA_MUS_WINDOW_TREE_HOST_MUS_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 20 matching lines @@
 
 class AURA_EXPORT WindowTreeHostMus : public aura::WindowTreeHostPlatform {
  public:
   // |properties| are applied to the window created by this class (using
   // PropertyConverter).
   // TODO: this should take an unordered_map, see http://crbug.com/670515.
   WindowTreeHostMus(
       std::unique_ptr<WindowPortMus> window_port,
       WindowTreeClient* window_tree_client,
       int64_t display_id,
+      const cc::FrameSinkId& frame_sink_id = cc::FrameSinkId(),
       const std::map<std::string, std::vector<uint8_t>>* properties = nullptr);
 
   // This constructor is intended for creating top level windows in
   // non-window-manager code. |properties| are properties passed verbatim to
   // the server, that is, no conversion is done before sending |properties| to
   // the server. Additionally |properties| are passed to PropertyConverter and
   // any known properties are set on the Window created by this class.
   // TODO: this should take an unordered_map, see http://crbug.com/670515.
   explicit WindowTreeHostMus(
       WindowTreeClient* window_tree_client,
+      const cc::FrameSinkId& frame_sink_id = cc::FrameSinkId(),
       const std::map<std::string, std::vector<uint8_t>>* properties = nullptr);
 
   ~WindowTreeHostMus() override;
 
   // Returns the WindowTreeHostMus for |window|. This returns null if |window|
   // is null, or not in a WindowTreeHostMus.
   static WindowTreeHostMus* ForWindow(aura::Window* window);
 
   // Sets the bounds in pixels.
   void SetBoundsFromServer(const gfx::Rect& bounds_in_pixels);
@@ skipping 60 matching lines @@
   bool in_set_bounds_from_server_ = false;
 
   std::unique_ptr<InputMethodMus> input_method_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowTreeHostMus);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_MUS_WINDOW_TREE_HOST_MUS_H_