Update Surface ID Terminology

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 59bc7016f7ecd7f5412506b12032217d6c931793..becf0f304aaa27ea916c5bb3a03c9c5d14fdbc0e 100644
--- a/cc/trees/layer_tree_host_unittest_serialization.cc
+++ b/cc/trees/layer_tree_host_unittest_serialization.cc
@@ -206,8 +206,8 @@ class LayerTreeHostSerializationTest : public testing::Test {
               layer_tree_host_dst_->selection_);
     EXPECT_EQ(layer_tree_host_src_->property_trees_,
               layer_tree_host_dst_->property_trees_);
-    EXPECT_EQ(layer_tree_host_src_->surface_id_namespace_,
-              layer_tree_host_dst_->surface_id_namespace_);
+    EXPECT_EQ(layer_tree_host_src_->surface_client_id_,
+              layer_tree_host_dst_->surface_client_id_);
     EXPECT_EQ(layer_tree_host_src_->next_surface_sequence_,
               layer_tree_host_dst_->next_surface_sequence_);
 
@@ -293,8 +293,8 @@ class LayerTreeHostSerializationTest : public testing::Test {
     layer_tree_host_src_->property_trees_.sequence_number =
         layer_tree_host_src_->property_trees_.sequence_number * 3 + 1;
 
-    layer_tree_host_src_->surface_id_namespace_ =
-        layer_tree_host_src_->surface_id_namespace_ * 3 + 1;
+    layer_tree_host_src_->surface_client_id_ =
+        layer_tree_host_src_->surface_client_id_ * 3 + 1;
     layer_tree_host_src_->next_surface_sequence_ =
         layer_tree_host_src_->next_surface_sequence_ * 3 + 1;