Makes NewWindow() take set of properties for window

components/mus/public/interfaces/window_tree.mojom

 // Copyright 2014 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.
 
 module mus.mojom;
 
 import "components/mus/public/interfaces/compositor_frame.mojom";
 import "components/mus/public/interfaces/input_events.mojom";
 import "components/mus/public/interfaces/mus_constants.mojom";
 import "components/mus/public/interfaces/surface_id.mojom";
@@ skipping 68 matching lines @@
   };
 
   // Creates a new window with the specified id. It is up to the client to
   // ensure the id is unique to the connection (the id need not be globally
   // unique). Additionally the connection id (embedded in |window_id|) must
   // match that of the connection.
   // Errors:
   //   ERROR_CODE_VALUE_IN_USE: a window already exists with the specified id.
   //   ERROR_CODE_ILLEGAL_ARGUMENT: The connection part of |window_id| does not
   //     match the connection id of the client.
-  //
-  // TODO(erg): Once we have default values in mojo, make this take a map of
-  // properties.
-  NewWindow(uint32 change_id, uint32 window_id);
+  NewWindow(uint32 change_id,
+            uint32 window_id,
+            map<string, array<uint8>>? properties);
 
   // Deletes a window. This does not recurse. No hierarchy change notifications
   // are sent as a result of this. Only the connection that created the window
   // can delete it.
   DeleteWindow(uint32 window_id) => (bool success);
 
   // Sets the specified bounds of the specified window.
   SetWindowBounds(uint32 change_id, uint32 window_id, mojo.Rect bounds);
 
   // Sets the insets of the client area of the specified window.
@@ skipping 215 matching lines @@
   // WindowManager interface once we get associated interfaces.
 
   // Calls to SetWindowBounds() for windows owned by the window manager end up
   // here. The window manager should reply with WmResponse() as appropriate.
   WmSetBounds(uint32 change_id, uint32 window_id, mojo.Rect bounds);
   WmSetProperty(uint32 change_id,
                 uint32 window_id,
                 string name,
                 array<uint8>? value);
 };