mus-ws: Plumb FrameSinkId to Children

services/ui/ws/window_tree.cc

Index: services/ui/ws/window_tree.cc
diff --git a/services/ui/ws/window_tree.cc b/services/ui/ws/window_tree.cc
index 2e2f73bfdd471cbb3a3beebc78c98f00caf11dfb..3766990d2154e6a8214a5965dfeeab0666f92038 100644
--- a/services/ui/ws/window_tree.cc
+++ b/services/ui/ws/window_tree.cc
@@ -117,7 +117,8 @@ void WindowTree::Init(std::unique_ptr<WindowTreeBinding> binding,
 
   const bool drawn = root->parent() && root->parent()->IsDrawn();
   client()->OnEmbed(id_, WindowToWindowData(to_send.front()), std::move(tree),
-                    display_id, focused_window_id.id, drawn);
+                    display_id, focused_window_id.id, drawn,
+                    root->frame_sink_id());
 }
 
 void WindowTree::ConfigureWindowManager() {
@@ -200,9 +201,9 @@ void WindowTree::AddRootForWindowManager(const ServerWindow* root) {
   Display* ws_display = GetDisplay(root);
   DCHECK(ws_display);
 
-  window_manager_internal_->WmNewDisplayAdded(ws_display->GetDisplay(),
-                                              WindowToWindowData(root),
-                                              root->parent()->IsDrawn());
+  window_manager_internal_->WmNewDisplayAdded(
+      ws_display->GetDisplay(), WindowToWindowData(root),
+      root->parent()->IsDrawn(), root->frame_sink_id());
 }
 
 void WindowTree::OnWindowDestroyingTreeImpl(WindowTree* tree) {
@@ -532,7 +533,7 @@ void WindowTree::OnWindowManagerCreatedTopLevelWindow(
   int64_t display_id = display ? display->GetId() : display::kInvalidDisplayId;
   const bool drawn = window->parent() && window->parent()->IsDrawn();
   client()->OnTopLevelCreated(client_change_id, WindowToWindowData(window),
-                              display_id, drawn);
+                              display_id, drawn, window->frame_sink_id());
 }
 
 void WindowTree::AddActivationParent(const ClientWindowId& window_id) {