cc: Add mask and replica layer ids to the effect tree

cc/trees/property_tree_unittest.cc

Index: cc/trees/property_tree_unittest.cc
diff --git a/cc/trees/property_tree_unittest.cc b/cc/trees/property_tree_unittest.cc
index 23b34f29f1936c67a2ee20c410d4f5fe5d6f494a..bd773438e8ada694ab8f14b6a858efa4a9cce1af 100644
--- a/cc/trees/property_tree_unittest.cc
+++ b/cc/trees/property_tree_unittest.cc
@@ -187,6 +187,9 @@ TEST(PropertyTreeSerializationTest, EffectNodeDataSerialization) {
   original.has_render_surface = false;
   original.transform_id = 2;
   original.clip_id = 3;
+  original.mask_layer_id = 6;
+  original.replica_layer_id = 10;
+  original.replica_mask_layer_id = 9;
 
   proto::TreeNode proto;
   original.ToProtobuf(&proto);
@@ -220,13 +223,19 @@ TEST(PropertyTreeSerializationTest, EffectTreeSerialization) {
   second.owner_id = 6;
   second.data.transform_id = 4;
   second.data.opacity = true;
+  second.data.mask_layer_id = 32;
   EffectNode third;
   third.owner_id = 7;
   third.data.clip_id = 3;
+  third.data.replica_layer_id = 44;
+  third.data.replica_mask_layer_id = 45;
   third.data.has_render_surface = false;
 
   original.Insert(second, 0);
   original.Insert(third, 1);
+  original.AddMaskOrReplicaLayerId(32);
+  original.AddMaskOrReplicaLayerId(44);
+  original.AddMaskOrReplicaLayerId(45);
   original.set_needs_update(true);
 
   proto::PropertyTree proto;