cc : Delete unused properties in effect node

cc/trees/layer_tree_host_common.cc

Index: cc/trees/layer_tree_host_common.cc
diff --git a/cc/trees/layer_tree_host_common.cc b/cc/trees/layer_tree_host_common.cc
index c16382e20a0033d87d1d3fab8fc7f817985a0792..9fec1abacfdfe44e2515466622c614ae3cb871dc 100644
--- a/cc/trees/layer_tree_host_common.cc
+++ b/cc/trees/layer_tree_host_common.cc
@@ -646,8 +646,6 @@ void CalculateRenderSurfaceLayerList(
     descendants = &(layer->render_surface()->layer_list());
   }
 
-  size_t descendants_size = descendants->size();
-
   bool layer_should_be_skipped = !draw_property_utils::LayerNeedsUpdate(
       layer, layer_is_drawn, property_trees->transform_tree);
   if (!layer_should_be_skipped) {
@@ -731,13 +729,6 @@ void CalculateRenderSurfaceLayerList(
   if (render_to_separate_surface && !IsRootLayer(layer) &&
       layer->render_surface()->DrawableContentRect().IsEmpty()) {
     RemoveSurfaceForEarlyExit(layer, render_surface_layer_list);
-    return;
-  }
-
-  // If neither this layer nor any of its children were added, early out.
-  if (descendants_size == descendants->size()) {
-    DCHECK(!render_to_separate_surface || IsRootLayer(layer));
-    return;
   }
 }