Make SyncBackendRegistrar aware of loaded data

chrome/browser/sync/profile_sync_service_unittest.cc

Index: chrome/browser/sync/profile_sync_service_unittest.cc
diff --git a/chrome/browser/sync/profile_sync_service_unittest.cc b/chrome/browser/sync/profile_sync_service_unittest.cc
index a6f692f2d3f7250d7b279389de7db3ccbd9d05c7..01d622a046c3793aebe36320a8f5d53d4583d0b7 100644
--- a/chrome/browser/sync/profile_sync_service_unittest.cc
+++ b/chrome/browser/sync/profile_sync_service_unittest.cc
@@ -104,7 +104,7 @@ class ProfileSyncServiceTest : public testing::Test {
           signin,
           ProfileSyncService::AUTO_START,
           true,
-          base::Closure()));
+          TestProfileSyncService::NullCallback()));
       if (!set_initial_sync_ended)
         service_->dont_set_initial_sync_ended_on_init();
       if (synchronous_sync_configuration)
@@ -160,7 +160,7 @@ TEST_F(ProfileSyncServiceTest, InitialState) {
       signin,
       ProfileSyncService::MANUAL_START,
       true,
-      base::Closure()));
+      TestProfileSyncService::NullCallback()));
   EXPECT_TRUE(
       service_->sync_service_url().spec() ==
         ProfileSyncService::kSyncServerUrl ||
@@ -179,7 +179,7 @@ TEST_F(ProfileSyncServiceTest, DisabledByPolicy) {
       signin,
       ProfileSyncService::MANUAL_START,
       true,
-      base::Closure()));
+      TestProfileSyncService::NullCallback()));
   service_->Initialize();
   EXPECT_TRUE(service_->IsManaged());
 }
@@ -195,7 +195,7 @@ TEST_F(ProfileSyncServiceTest, AbortedByShutdown) {
       signin,
       ProfileSyncService::AUTO_START,
       true,
-      base::Closure()));
+      TestProfileSyncService::NullCallback()));
   EXPECT_CALL(*factory, CreateDataTypeManager(_, _)).Times(0);
   EXPECT_CALL(*factory, CreateBookmarkSyncComponents(_, _)).
       Times(0);
@@ -219,7 +219,7 @@ TEST_F(ProfileSyncServiceTest, DisableAndEnableSyncTemporarily) {
       signin,
       ProfileSyncService::AUTO_START,
       true,
-      base::Closure()));
+      TestProfileSyncService::NullCallback()));
   // Register the bookmark data type.
   EXPECT_CALL(*factory, CreateDataTypeManager(_, _)).
       WillRepeatedly(ReturnNewDataTypeManager());