Converts some services to use aura-mus

ui/views/widget/desktop_aura/desktop_window_tree_host_x11.cc

Index: ui/views/widget/desktop_aura/desktop_window_tree_host_x11.cc
diff --git a/ui/views/widget/desktop_aura/desktop_window_tree_host_x11.cc b/ui/views/widget/desktop_aura/desktop_window_tree_host_x11.cc
index c2c7d3ae149030851654e4b0577cbc05340fc7f7..d51e965f4798a3ef81c69d0578b53d2d2965ea2c 100644
--- a/ui/views/widget/desktop_aura/desktop_window_tree_host_x11.cc
+++ b/ui/views/widget/desktop_aura/desktop_window_tree_host_x11.cc
@@ -478,6 +478,8 @@ void DesktopWindowTreeHostX11::OnNativeWidgetCreated(
   native_widget_delegate_->OnNativeWidgetCreated(true);
 }
 
+void DesktopWindowTreeHostX11::OnWidgetInitDone() {}
+
 std::unique_ptr<corewm::Tooltip> DesktopWindowTreeHostX11::CreateTooltip() {
   return base::WrapUnique(new corewm::TooltipAura);
 }