arc: Create sync protos for Arc package.

components/browser_sync/browser/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 "components/browser_sync/browser/profile_sync_service.h"
 
 #include <stddef.h>
 #include <cstddef>
 #include <map>
 #include <utility>
@@ skipping 1587 matching lines @@
     sync_driver::user_selectable_type::PREFERENCES,
     sync_driver::user_selectable_type::PASSWORDS,
     sync_driver::user_selectable_type::AUTOFILL,
     sync_driver::user_selectable_type::THEMES,
     sync_driver::user_selectable_type::TYPED_URLS,
     sync_driver::user_selectable_type::EXTENSIONS,
     sync_driver::user_selectable_type::APPS,
     sync_driver::user_selectable_type::PROXY_TABS,
   };
 
-  static_assert(36 == syncer::MODEL_TYPE_COUNT,
+  static_assert(37 == syncer::MODEL_TYPE_COUNT,
                 "custom config histogram must be updated");
 
   if (!sync_everything) {
     const syncer::ModelTypeSet current_types = GetPreferredDataTypes();
 
     syncer::ModelTypeSet type_set = syncer::UserSelectableTypes();
     syncer::ModelTypeSet::Iterator it = type_set.First();
 
     DCHECK_EQ(arraysize(user_selectable_types), type_set.Size());
 
@@ skipping 907 matching lines @@
   if (--outstanding_setup_in_progress_handles_ != 0)
     return;
 
   DCHECK(startup_controller_->IsSetupInProgress());
   startup_controller_->SetSetupInProgress(false);
 
   if (IsBackendInitialized())
     ReconfigureDatatypeManager();
   NotifyObservers();
 }