HUD: Show first paint invalidation in red

cc/layers/layer_impl.cc

Index: cc/layers/layer_impl.cc
diff --git a/cc/layers/layer_impl.cc b/cc/layers/layer_impl.cc
index e6e60f5f3ef7cc1e474c2b5c4a2aef192906b3b7..57d1cc72efeaf934caf5e8763d85aa3eb6040990 100644
--- a/cc/layers/layer_impl.cc
+++ b/cc/layers/layer_impl.cc
@@ -69,7 +69,8 @@ LayerImpl::LayerImpl(LayerTreeImpl* tree_impl, int id)
       needs_push_properties_(false),
       num_dependents_need_push_properties_(0),
       sorting_context_id_(0),
-      current_draw_mode_(DRAW_MODE_NONE) {
+      current_draw_mode_(DRAW_MODE_NONE),
+      includes_first_paint_invalidation_(false) {
   DCHECK_GT(layer_id_, 0);
   DCHECK(layer_tree_impl_);
   layer_tree_impl_->RegisterLayer(this);
@@ -591,6 +592,7 @@ void LayerImpl::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_);
 
   layer->SetStackingOrderChanged(stacking_order_changed_);
   layer->SetDebugInfo(debug_info_);