Makes WindowTreeHostMus supply properties directly to window creation

ui/aura/mus/window_tree_host_mus.cc

 // 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.
 
 #include "ui/aura/mus/window_tree_host_mus.h"
 
 #include "base/memory/ptr_util.h"
 #include "ui/aura/env.h"
 #include "ui/aura/mus/input_method_mus.h"
 #include "ui/aura/mus/window_port_mus.h"
@@ skipping 66 matching lines @@
   input_method_ = base::MakeUnique<InputMethodMus>(this, window());
   input_method_->Init(window_tree_client->connector());
   SetSharedInputMethod(input_method_.get());
 
   compositor()->SetHostHasTransparentBackground(true);
 
   // Mus windows are assumed hidden.
   compositor()->SetVisible(false);
 }
 
+// Pass |properties| to CreateWindowPortForTopLevel() so that |properties|
+// are passed to the server *and* pass |properties| to the WindowTreeHostMus
+// constructor (above) which applies the properties to the Window. Some of the
+// properties may be server specific and not applied to the Window.
 WindowTreeHostMus::WindowTreeHostMus(
     WindowTreeClient* window_tree_client,
     const std::map<std::string, std::vector<uint8_t>>* properties)
     : WindowTreeHostMus(
           static_cast<WindowTreeHostMusDelegate*>(window_tree_client)
-              ->CreateWindowPortForTopLevel(),
+              ->CreateWindowPortForTopLevel(properties),
           window_tree_client,
           display::Screen::GetScreen()->GetPrimaryDisplay().id(),
           properties) {}
 
 WindowTreeHostMus::~WindowTreeHostMus() {
   DestroyCompositor();
   DestroyDispatcher();
 }
 
 void WindowTreeHostMus::SetBoundsFromServer(const gfx::Rect& bounds) {
@@ skipping 54 matching lines @@
 void WindowTreeHostMus::OnCloseRequest() {
   OnHostCloseRequested();
 }
 
 gfx::ICCProfile WindowTreeHostMus::GetICCProfileForCurrentDisplay() {
   // TODO: This should read the profile from mus. crbug.com/647510
   return gfx::ICCProfile();
 }
 
 }  // namespace aura