Propagates window type properties during aura-mus window creation

ui/aura/mus/window_manager_delegate.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_MANAGER_DELEGATE_H_
 #define UI_AURA_MUS_WINDOW_MANAGER_DELEGATE_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 76 matching lines @@
   virtual bool OnWmSetProperty(
       Window* window,
       const std::string& name,
       std::unique_ptr<std::vector<uint8_t>>* new_data) = 0;
 
   // A client has requested a new top level window. The delegate should create
   // and parent the window appropriately and return it. |properties| is the
   // supplied properties from the client requesting the new window. The
   // delegate may modify |properties| before calling NewWindow(), but the
   // delegate does *not* own |properties|, they are valid only for the life
-  // of OnWmCreateTopLevelWindow().
+  // of OnWmCreateTopLevelWindow(). |window_type| is the type of window
+  // requested by the client. Use SetWindowType() with |window_type| (in
+  // property_utils.h) to configure the type on the newly created window.
   virtual Window* OnWmCreateTopLevelWindow(
+      ui::mojom::WindowType window_type,
       std::map<std::string, std::vector<uint8_t>>* properties) = 0;
 
   // Called when a Mus client's jankiness changes. |windows| is the set of
   // windows owned by the window manager in which the client is embedded.
   virtual void OnWmClientJankinessChanged(
       const std::set<Window*>& client_windows,
       bool janky) = 0;
 
   // Called when a display is added. |window_tree_host| is the WindowTreeHost
   // for the new display.
@@ skipping 18 matching lines @@
 
   virtual void OnWmCancelMoveLoop(Window* window) = 0;
 
  protected:
   virtual ~WindowManagerDelegate() {}
 };
 
 }  // namespace ui
 
 #endif  // UI_AURA_MUS_WINDOW_MANAGER_DELEGATE_H_