cc : Stop pushing layers from hidden subtrees at commit

cc/trees/draw_property_utils.cc

Index: cc/trees/draw_property_utils.cc
diff --git a/cc/trees/draw_property_utils.cc b/cc/trees/draw_property_utils.cc
index 66b86d15bfbb71fe278ff96d684a3df45c2f11c0..a9187d4ab6920deee7a078763cf20b8f9c82813c 100644
--- a/cc/trees/draw_property_utils.cc
+++ b/cc/trees/draw_property_utils.cc
@@ -449,11 +449,21 @@ static bool LayerNeedsUpdateInternal(LayerType* layer,
   return true;
 }
 
+static inline bool IsHidden(Layer* layer) {
+  return layer->is_hidden();
+}
+
+static inline bool IsHidden(LayerImpl* layer) {
+  return false;
+}
+
 template <typename LayerType>
 static inline bool LayerShouldBeSkippedInternal(
     LayerType* layer,
     const TransformTree& transform_tree,
     const EffectTree& effect_tree) {
+  if (IsHidden(layer))
+    return true;
   const TransformNode* transform_node =
       transform_tree.Node(layer->transform_tree_index());
   const EffectNode* effect_node = effect_tree.Node(layer->effect_tree_index());