HUD: Show first paint invalidation in red

cc/layers/layer.cc

Index: cc/layers/layer.cc
diff --git a/cc/layers/layer.cc b/cc/layers/layer.cc
index 57c055b7fea3576c25ab680009ad6efe46a4f9c6..96b22bddd5bd24d05c133559e3c76661847fe19a 100644
--- a/cc/layers/layer.cc
+++ b/cc/layers/layer.cc
@@ -40,6 +40,7 @@ Layer::Layer()
     : needs_push_properties_(false),
       num_dependents_need_push_properties_(false),
       stacking_order_changed_(false),
+      includes_first_paint_invalidation_(false),
       // Layer IDs start from 1.
       layer_id_(g_next_layer_id.GetNext() + 1),
       ignore_set_needs_commit_(false),
@@ -992,6 +993,8 @@ void Layer::PushPropertiesTo(LayerImpl* layer) {
   // union) any update changes that have occurred on the main thread.
   update_rect_.Union(layer->update_rect());
   layer->SetUpdateRect(update_rect_);
+  layer->SetIncludesFirstPaintInvalidation(includes_first_paint_invalidation_);
+  includes_first_paint_invalidation_ = false;
 
   layer->SetStackingOrderChanged(stacking_order_changed_);