Makes NewWindow() take set of properties for window

components/mus/ws/window_tree_apptest.cc

 // 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.
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.h"
 #include "components/mus/public/interfaces/window_tree.mojom.h"
 #include "components/mus/public/interfaces/window_tree_host.mojom.h"
@@ skipping 223 matching lines @@
            0;
   }
 
   Id NewWindow(ConnectionSpecificId window_id) {
     return NewWindowWithCompleteId(BuildWindowId(connection_id_, window_id));
   }
 
   // Generally you want NewWindow(), but use this if you need to test given
   // a complete window id (NewWindow() ors with the connection id).
   Id NewWindowWithCompleteId(Id id) {
+    mojo::Map<mojo::String, mojo::Array<uint8_t>> properties;
     const uint32_t change_id = GetAndAdvanceChangeId();
-    tree()->NewWindow(change_id, id);
+    tree()->NewWindow(change_id, id, properties.Pass());
     return WaitForChangeCompleted(change_id) ? id : 0;
   }
 
   void set_root_window(Id root_window_id) { root_window_id_ = root_window_id; }
 
   bool SetWindowProperty(Id window_id,
                          const std::string& name,
                          const std::vector<uint8_t>* data) {
     Array<uint8_t> mojo_data;
     if (data)
@@ skipping 1506 matching lines @@
 // originating connection.
 
 // TODO(sky): make sure coverage of what was
 // WindowManagerTest.SecondEmbedRoot_InitService and
 // WindowManagerTest.MultipleEmbedRootsBeforeWTHReady gets added to window
 // manager
 // tests.
 
 }  // namespace ws
 }  // namespace mus