Enables passing initial properties to top level window creation

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>
 #include <memory>
+#include <string>
+#include <vector>
 
 #include "base/macros.h"
 #include "services/service_manager/public/cpp/connector.h"
 #include "ui/aura/aura_export.h"
 #include "ui/aura/window_tree_host_platform.h"
 
 namespace display {
 class Display;
 }
 
 namespace aura {
 
 class InputMethodMus;
 class WindowPortMus;
 class WindowTreeClient;
 class WindowTreeHostMusDelegate;
 
 class AURA_EXPORT WindowTreeHostMus : public aura::WindowTreeHostPlatform {
  public:
-  WindowTreeHostMus(std::unique_ptr<WindowPortMus> window_port,
-                    WindowTreeHostMusDelegate* delegate,
-                    int64_t display_id);
-  explicit WindowTreeHostMus(WindowTreeClient* window_tree_client);
+  WindowTreeHostMus(
+      std::unique_ptr<WindowPortMus> window_port,
+      WindowTreeHostMusDelegate* delegate,
+      int64_t display_id,
+      const std::map<std::string, std::vector<uint8_t>>* properties = nullptr);
+  WindowTreeHostMus(
+      WindowTreeClient* window_tree_client,
+      const std::map<std::string, std::vector<uint8_t>>* properties = nullptr);
+
   ~WindowTreeHostMus() override;
 
   // Sets the bounds in dips.
   void SetBoundsFromServer(const gfx::Rect& bounds);
 
   ui::EventDispatchDetails SendEventToProcessor(ui::Event* event) {
     return aura::WindowTreeHostPlatform::SendEventToProcessor(event);
   }
 
   InputMethodMus* input_method() { return input_method_.get(); }
@@ skipping 21 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_