Use MetadataChangeList and EntityChangeList in SharedModelTypeProcessor

sync/BUILD.gn

Index: sync/BUILD.gn
diff --git a/sync/BUILD.gn b/sync/BUILD.gn
index f38a4158b0686f060e426e3c9f74c20ffc93ac80..04065d6f6e4becc32cd2966a67b4344ff7a9ae1a 100644
--- a/sync/BUILD.gn
+++ b/sync/BUILD.gn
@@ -555,6 +555,7 @@ static_library("test_support_sync_core") {
 static_library("test_support_sync_internal_api") {
   testonly = true
   sources = [
+    "internal_api/public/test/fake_metadata_change_list.h",
     "internal_api/public/test/fake_model_type_service.h",
     "internal_api/public/test/fake_sync_manager.h",
     "internal_api/public/test/null_sync_context_proxy.h",
@@ -562,6 +563,7 @@ static_library("test_support_sync_internal_api") {
     "internal_api/public/test/test_entry_factory.h",
     "internal_api/public/test/test_internal_components_factory.h",
     "internal_api/public/test/test_user_share.h",
+    "internal_api/test/fake_metadata_change_list.cc",
     "internal_api/test/fake_model_type_service.cc",
     "internal_api/test/fake_sync_manager.cc",
     "internal_api/test/null_sync_context_proxy.cc",