[Sync] Enable adding notifier observers from ProfileSyncService

chrome/browser/sync/test_profile_sync_service.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/sync/test_profile_sync_service.h"
 
 #include "chrome/browser/signin/signin_manager.h"
 #include "chrome/browser/sync/abstract_profile_sync_service_test.h"
 #include "chrome/browser/sync/glue/data_type_controller.h"
 #include "chrome/browser/sync/glue/sync_backend_host.h"
@@ skipping 124 matching lines @@
   UserShare* user_share = GetUserShare();
   Directory* directory = user_share->directory.get();
 
   for (int i = syncer::FIRST_REAL_MODEL_TYPE;
        i < syncer::MODEL_TYPE_COUNT; ++i) {
     directory->set_initial_sync_ended_for_type(
         syncer::ModelTypeFromInt(i), true);
   }
 }
 
+void SyncBackendHostForProfileSyncTest::EmitOnNotificationsEnabled() {
+  frontend()->OnNotificationsEnabled();
+}
+
+void SyncBackendHostForProfileSyncTest::EmitOnNotificationsDisabled(
+    syncer::NotificationsDisabledReason reason) {
+  frontend()->OnNotificationsDisabled(reason);
+}
+
+void SyncBackendHostForProfileSyncTest::EmitOnIncomingNotification(
+    const syncer::ObjectIdPayloadMap& id_payloads,
+    const syncer::IncomingNotificationSource source) {
+  frontend()->OnIncomingNotification(id_payloads, source);
+}
+
 }  // namespace browser_sync
 
 syncer::TestIdFactory* TestProfileSyncService::id_factory() {
   return &id_factory_;
 }
 
 browser_sync::SyncBackendHostForProfileSyncTest*
     TestProfileSyncService::GetBackendForTest() {
   return static_cast<browser_sync::SyncBackendHostForProfileSyncTest*>(
       ProfileSyncService::GetBackendForTest());
@@ skipping 68 matching lines @@
       profile(),
       sync_prefs_.AsWeakPtr(),
       invalidator_storage_.AsWeakPtr(),
       id_factory_,
       callback_,
       set_initial_sync_ended_on_init_,
       synchronous_backend_initialization_,
       fail_initial_download_,
       storage_option_));
 }