Extracts parameters to WindowTreeHostMus into structure

ui/views/mus/mus_client.cc

 // Copyright 2016 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/views/mus/mus_client.h"
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/threading/thread.h"
 #include "services/service_manager/public/cpp/connector.h"
 #include "services/ui/public/cpp/gpu/gpu.h"
 #include "services/ui/public/cpp/property_type_converters.h"
 #include "services/ui/public/interfaces/constants.mojom.h"
 #include "services/ui/public/interfaces/event_matcher.mojom.h"
 #include "services/ui/public/interfaces/window_manager.mojom.h"
 #include "ui/aura/env.h"
 #include "ui/aura/mus/capture_synchronizer.h"
 #include "ui/aura/mus/mus_context_factory.h"
 #include "ui/aura/mus/property_converter.h"
 #include "ui/aura/mus/window_tree_client.h"
 #include "ui/aura/mus/window_tree_host_mus.h"
+#include "ui/aura/mus/window_tree_host_mus_init_params.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/views/mus/aura_init.h"
 #include "ui/views/mus/clipboard_mus.h"
 #include "ui/views/mus/desktop_window_tree_host_mus.h"
 #include "ui/views/mus/mus_property_mirror.h"
 #include "ui/views/mus/pointer_watcher_event_router.h"
 #include "ui/views/mus/screen_mus.h"
 #include "ui/views/views_delegate.h"
 #include "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
@@ skipping 234 matching lines @@
   CHECK(server_test_ptr_);
   return server_test_ptr_.get();
 }
 
 std::unique_ptr<DesktopWindowTreeHost> MusClient::CreateDesktopWindowTreeHost(
     const Widget::InitParams& init_params,
     internal::NativeWidgetDelegate* delegate,
     DesktopNativeWidgetAura* desktop_native_widget_aura) {
   std::map<std::string, std::vector<uint8_t>> mus_properties =
       ConfigurePropertiesFromParams(init_params);
+  std::unique_ptr<aura::WindowTreeHostMusInitParams>
+      window_tree_host_init_params = aura::CreateInitParamsForTopLevel(
+          MusClient::Get()->window_tree_client(), std::move(mus_properties));
   return base::MakeUnique<DesktopWindowTreeHostMus>(
-      delegate, desktop_native_widget_aura, cc::FrameSinkId(), &mus_properties);
+      std::move(window_tree_host_init_params), delegate,
+      desktop_native_widget_aura);
 }
 
 void MusClient::OnEmbed(
     std::unique_ptr<aura::WindowTreeHostMus> window_tree_host) {
   NOTREACHED();
 }
 
 void MusClient::OnLostConnection(aura::WindowTreeClient* client) {}
 
 void MusClient::OnEmbedRootDestroyed(
@@ skipping 24 matching lines @@
     // TODO: this likely gets z-order wrong. http://crbug.com/663606.
     gfx::Point relative_point(point);
     window_tree_host->ConvertScreenInPixelsToDIP(&relative_point);
     if (gfx::Rect(root->bounds().size()).Contains(relative_point))
       return root->GetEventHandlerForPoint(relative_point);
   }
   return nullptr;
 }
 
 }  // namespace views