chromeos: makes mus send keyevents to display root when nothing has focus

services/ui/ws/window_server.cc

Index: services/ui/ws/window_server.cc
diff --git a/services/ui/ws/window_server.cc b/services/ui/ws/window_server.cc
index c1fff169fc9dcddf0c9b6f3360b2167665bafbb2..3a46d4db3178b08b44c7b33ad70d372c6f0da0c3 100644
--- a/services/ui/ws/window_server.cc
+++ b/services/ui/ws/window_server.cc
@@ -42,18 +42,7 @@ bool IsWindowConsideredWindowManagerRoot(const Display* display,
 
   const WindowManagerDisplayRoot* display_root =
       display->GetActiveWindowManagerDisplayRoot();
-  if (!display_root)
-    return false;
-
-  if (window == display_root->root())
-    return true;
-
-  // If the window manager manually creates displays then there is an extra
-  // window, the window supplied via SetDisplayRoot().
-  return !display_root->window_manager_state()
-              ->window_tree()
-              ->automatically_create_display_roots() &&
-         window->parent() == display_root->root();
+  return display_root && display_root->GetClientVisibileRoot() == window;
 }
 
 }  // namespace