mus-ws: Plumb FrameSinkId to Children

ui/views/mus/desktop_window_tree_host_mus.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/desktop_window_tree_host_mus.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 167 matching lines @@
                    bool in_success) {
   *out_success = in_success;
   quit_closure.Run();
 }
 
 }  // namespace
 
 DesktopWindowTreeHostMus::DesktopWindowTreeHostMus(
     internal::NativeWidgetDelegate* native_widget_delegate,
     DesktopNativeWidgetAura* desktop_native_widget_aura,
+    const cc::FrameSinkId& frame_sink_id,
     const std::map<std::string, std::vector<uint8_t>>* mus_properties)
     : aura::WindowTreeHostMus(MusClient::Get()->window_tree_client(),
+                              frame_sink_id,
                               mus_properties),
       native_widget_delegate_(native_widget_delegate),
       desktop_native_widget_aura_(desktop_native_widget_aura),
       close_widget_factory_(this) {
   aura::Env::GetInstance()->AddObserver(this);
   MusClient::Get()->AddObserver(this);
   native_widget_delegate_->AsWidget()->AddObserver(this);
   desktop_native_widget_aura_->content_window()->AddObserver(this);
   // DesktopNativeWidgetAura registers the association between |content_window_|
   // and Widget, but code may also want to go from the root (window()) to the
@@ skipping 615 matching lines @@
     aura::client::FocusClient* focus_client,
     aura::Window* window) {
   if (window == this->window()) {
     desktop_native_widget_aura_->HandleActivationChanged(true);
   } else if (is_active_) {
     desktop_native_widget_aura_->HandleActivationChanged(false);
   }
 }
 
 }  // namespace views