[Sync] Switch bots to run integ tests for autofill as USS.

chrome/browser/sync/chrome_sync_client.cc

 // 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 "chrome/browser/sync/chrome_sync_client.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 431 matching lines @@
     case syncer::DEVICE_INFO:
       return ProfileSyncServiceFactory::GetForProfile(profile_)
           ->GetDeviceInfoSyncBridge()
           ->AsWeakPtr();
     case syncer::READING_LIST:
       // Reading List is only supported on iOS at the moment.
       NOTREACHED();
       return base::WeakPtr<syncer::ModelTypeSyncBridge>();
     case syncer::AUTOFILL:
       return autofill::AutocompleteSyncBridge::FromWebDataService(
-                 web_data_service_.get())
-          ->AsWeakPtr();
+          web_data_service_.get());
 #if defined(OS_CHROMEOS)
     case syncer::PRINTERS:
       return chromeos::PrintersManagerFactory::GetForBrowserContext(profile_)
           ->GetSyncBridge()
           ->AsWeakPtr();
 #endif
     default:
       NOTREACHED();
       return base::WeakPtr<syncer::ModelTypeSyncBridge>();
   }
@@ skipping 189 matching lines @@
   sync_service->RegisterDataTypeController(
       base::MakeUnique<SupervisedUserSyncDataTypeController>(
           syncer::SUPERVISED_USER_SETTINGS, error_callback, this, profile_));
   sync_service->RegisterDataTypeController(
       base::MakeUnique<SupervisedUserSyncDataTypeController>(
           syncer::SUPERVISED_USER_WHITELISTS, error_callback, this, profile_));
 #endif
 }
 
 }  // namespace browser_sync