cc: Main thread skip single layers instead of subtrees

cc/trees/layer_tree_host_unittest_serialization.cc

Index: cc/trees/layer_tree_host_unittest_serialization.cc
diff --git a/cc/trees/layer_tree_host_unittest_serialization.cc b/cc/trees/layer_tree_host_unittest_serialization.cc
index b67b2feeb6a0e0f0dd9e76fefd78f9bf07226d6e..c78700e4e7dd46869164fbad2e0c0d7c5272b0eb 100644
--- a/cc/trees/layer_tree_host_unittest_serialization.cc
+++ b/cc/trees/layer_tree_host_unittest_serialization.cc
@@ -47,10 +47,12 @@ class LayerTreeHostSerializationTest : public testing::Test {
 
   void VerifyHostHasAllExpectedLayersInTree(Layer* root_layer) {
     LayerTreeHostCommon::CallFunctionForEveryLayer(
-        root_layer->layer_tree_host(), [root_layer](Layer* layer) {
+        root_layer->layer_tree_host(),
+        [root_layer](Layer* layer) {
           DCHECK(layer->layer_tree_host());
           EXPECT_EQ(layer, layer->layer_tree_host()->LayerById(layer->id()));
-        });
+        },
+        CallFunctionLayerType::ALL_LAYERS);
   }
 
   void VerifySerializationAndDeserialization() {
@@ -172,9 +174,11 @@ class LayerTreeHostSerializationTest : public testing::Test {
     if (layer_tree_host_dst_->property_trees_.sequence_number) {
       int seq_num = layer_tree_host_dst_->property_trees_.sequence_number;
       LayerTreeHostCommon::CallFunctionForEveryLayer(
-          layer_tree_host_dst_.get(), [seq_num](Layer* layer) {
+          layer_tree_host_dst_.get(),
+          [seq_num](Layer* layer) {
             EXPECT_EQ(seq_num, layer->property_tree_sequence_number());
-          });
+          },
+          CallFunctionLayerType::ALL_LAYERS);
     }
   }