Add Store+Sync to reading list.

ios/chrome/browser/sync/ios_chrome_sync_client.mm

 // Copyright 2015 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 "ios/chrome/browser/sync/ios_chrome_sync_client.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 34 matching lines @@
 #include "ios/chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state_manager.h"
 #include "ios/chrome/browser/chrome_url_constants.h"
 #include "ios/chrome/browser/dom_distiller/dom_distiller_service_factory.h"
 #include "ios/chrome/browser/favicon/favicon_service_factory.h"
 #include "ios/chrome/browser/history/history_service_factory.h"
 #include "ios/chrome/browser/invalidation/ios_chrome_profile_invalidation_provider_factory.h"
 #include "ios/chrome/browser/passwords/ios_chrome_password_store_factory.h"
 #include "ios/chrome/browser/pref_names.h"
+#include "ios/chrome/browser/reading_list/reading_list_model.h"
+#include "ios/chrome/browser/reading_list/reading_list_model_factory.h"
 #include "ios/chrome/browser/signin/oauth2_token_service_factory.h"
 #include "ios/chrome/browser/sync/glue/sync_start_util.h"
 #include "ios/chrome/browser/sync/ios_chrome_profile_sync_service_factory.h"
 #include "ios/chrome/browser/sync/sessions/ios_chrome_local_session_event_router.h"
 #include "ios/chrome/browser/undo/bookmark_undo_service_factory.h"
 #include "ios/chrome/browser/web_data_service_factory.h"
 #include "ios/chrome/common/channel_info.h"
 #include "ios/public/provider/chrome/browser/chrome_browser_provider.h"
 #include "ios/web/public/web_thread.h"
 #include "ui/base/device_form_factor.h"
@@ skipping 263 matching lines @@
 }
 
 base::WeakPtr<syncer::ModelTypeService>
 IOSChromeSyncClient::GetModelTypeServiceForType(syncer::ModelType type) {
   switch (type) {
     case syncer::DEVICE_INFO:
       return IOSChromeProfileSyncServiceFactory::GetForBrowserState(
                  browser_state_)
           ->GetDeviceInfoService()
           ->AsWeakPtr();
+    case syncer::READING_LIST: {
+      ReadingListModel* reading_list_model =
+          ReadingListModelFactory::GetForBrowserState(browser_state_);
+      if (reading_list_model)
+        return reading_list_model->GetModelTypeService()->AsWeakPtr();
+      return base::WeakPtr<syncer::ModelTypeService>();
+    }
     default:
       NOTREACHED();
       return base::WeakPtr<syncer::ModelTypeService>();
   }
 }
 
 scoped_refptr<syncer::ModelSafeWorker>
 IOSChromeSyncClient::CreateModelWorkerForGroup(
     syncer::ModelSafeGroup group,
     syncer::WorkerLoopDestructionObserver* observer) {
@@ skipping 53 matching lines @@
         IOSChromeProfileSyncServiceFactory::GetForBrowserState(browser_state);
     if (profile_sync_service != nullptr) {
       const syncer::DeviceInfoTracker* tracker =
           profile_sync_service->GetDeviceInfoTracker();
       if (tracker != nullptr) {
         trackers->push_back(tracker);
       }
     }
   }
 }