[Sync] Enable adding notifier observers from ProfileSyncService

sync/internal_api/sync_manager_impl.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 "sync/internal_api/sync_manager_impl.h"
 
 #include <string>
 
 #include "base/base64.h"
 #include "base/bind.h"
@@ skipping 715 matching lines @@
   if (!connection_manager_->set_auth_token(credentials.sync_token))
     return;  // Auth token is known to be invalid, so exit early.
 
   sync_notifier_->UpdateCredentials(credentials.email, credentials.sync_token);
   scheduler_->OnCredentialsUpdated();
 }
 
 void SyncManagerImpl::UpdateEnabledTypes(
     const ModelTypeSet& enabled_types) {
   DCHECK(thread_checker_.CalledOnValidThread());
-  sync_notifier_->UpdateRegisteredIds(this,
-                                      ModelTypeSetToObjectIdSet(enabled_types));
+  sync_notifier_->UpdateRegisteredIds(
+      this,
+      ModelTypeSetToObjectIdSet(enabled_types));
+}
+
+void SyncManagerImpl::UpdateRegisteredInvalidationIds(
+    SyncNotifierObserver* handler, const ObjectIdSet& ids) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  sync_notifier_->UpdateRegisteredIds(handler, ids);
 }
 
 void SyncManagerImpl::SetEncryptionPassphrase(
     const std::string& passphrase,
     bool is_explicit) {
   DCHECK(thread_checker_.CalledOnValidThread());
   // We do not accept empty passphrases.
   if (passphrase.empty()) {
     NOTREACHED() << "Cannot encrypt with an empty passphrase.";
     return;
@@ skipping 1131 matching lines @@
 int SyncManagerImpl::GetDefaultNudgeDelay() {
   return kDefaultNudgeDelayMilliseconds;
 }
 
 // static.
 int SyncManagerImpl::GetPreferencesNudgeDelay() {
   return kPreferencesNudgeDelayMilliseconds;
 }
 
 }  // namespace syncer