[Sync] Add ability to save/restore Nigori to SyncEncryptionHandlerImpl

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 386 matching lines @@
 }
 
 void SyncManagerImpl::OnPassphraseTypeChanged(
     PassphraseType type,
     base::Time explicit_passphrase_time) {
   allstatus_.SetPassphraseType(type);
   allstatus_.SetKeystoreMigrationTime(
       sync_encryption_handler_->migration_time());
 }
 
+void SyncManagerImpl::OnLocalSetCustomPassphrase(
+    const SyncEncryptionHandler::NigoriState& nigori_state) {
+}
+
 void SyncManagerImpl::StartSyncingNormally(
     const ModelSafeRoutingInfo& routing_info,
     base::Time last_poll_time) {
   // Start the sync scheduler.
   // TODO(sync): We always want the newest set of routes when we switch back
   // to normal mode. Figure out how to enforce set_routing_info is always
   // appropriately set and that it's only modified when switching to normal
   // mode.
   DCHECK(thread_checker_.CalledOnValidThread());
   session_context_->SetRoutingInfo(routing_info);
@@ skipping 607 matching lines @@
 bool SyncManagerImpl::HasDirectoryTypeDebugInfoObserver(
     syncer::TypeDebugInfoObserver* observer) {
   return model_type_registry_->HasDirectoryTypeDebugInfoObserver(observer);
 }
 
 void SyncManagerImpl::RequestEmitDebugInfo() {
   model_type_registry_->RequestEmitDebugInfo();
 }
 
 }  // namespace syncer