CC: Plumb LayerSettings parameter for cc::Layer construction.

content/renderer/gpu/render_widget_compositor.cc

Index: content/renderer/gpu/render_widget_compositor.cc
diff --git a/content/renderer/gpu/render_widget_compositor.cc b/content/renderer/gpu/render_widget_compositor.cc
index c8400037005e70c95d7bbd8922b64a11360f1fba..ee7e110a8cb15cec0fa3c106664b5afa93788c63 100644
--- a/content/renderer/gpu/render_widget_compositor.cc
+++ b/content/renderer/gpu/render_widget_compositor.cc
@@ -231,8 +231,8 @@ void RenderWidgetCompositor::Initialize() {
   settings.accelerated_animation_enabled =
       !cmd->HasSwitch(cc::switches::kDisableThreadedAnimation);
   settings.use_display_lists = cmd->HasSwitch(switches::kEnableSlimmingPaint);
+  settings.hud_layer_settings = cc_blink::WebLayerImpl::LayerSettings();
   if (cmd->HasSwitch(switches::kEnableCompositorAnimationTimelines)) {
-    settings.use_compositor_animation_timelines = true;
     blink::WebRuntimeFeatures::enableCompositorAnimationTimelines(true);
   }