arc: Create sync protos for Arc package.

components/sync_driver/sync_prefs.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 "components/sync_driver/sync_prefs.h"
 
 #include "base/base64.h"
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
@@ skipping 299 matching lines @@
     case syncer::ARTICLES:
       return prefs::kSyncArticles;
     case syncer::SUPERVISED_USER_SHARED_SETTINGS:
       return prefs::kSyncSupervisedUserSharedSettings;
     case syncer::SUPERVISED_USER_WHITELISTS:
       return prefs::kSyncSupervisedUserWhitelists;
     case syncer::DEVICE_INFO:
       return prefs::kSyncDeviceInfo;
     case syncer::WIFI_CREDENTIALS:
       return prefs::kSyncWifiCredentials;
+    case syncer::ARC_PACKAGE:
+      return prefs::kSyncArcPackage;
     default:
       break;
   }
   NOTREACHED() << "Type is " << data_type;
   return NULL;
 }
 
 #if defined(OS_CHROMEOS)
 std::string SyncPrefs::GetSpareBootstrapToken() const {
   DCHECK(CalledOnValidThread());
@@ skipping 215 matching lines @@
     return std::unique_ptr<syncer::SyncEncryptionHandler::NigoriState>();
 
   std::unique_ptr<syncer::SyncEncryptionHandler::NigoriState> result(
       new syncer::SyncEncryptionHandler::NigoriState());
   if (!result->nigori_specifics.ParseFromString(decoded))
     return std::unique_ptr<syncer::SyncEncryptionHandler::NigoriState>();
   return result;
 }
 
 }  // namespace sync_driver