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

components/autofill/core/browser/webdata/autocomplete_sync_bridge.h

 // Copyright 2016 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.
 
 #ifndef COMPONENTS_AUTOFILL_CORE_BROWSER_WEBDATA_AUTOCOMPLETE_SYNC_BRIDGE_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_WEBDATA_AUTOCOMPLETE_SYNC_BRIDGE_H_
 
 #include <memory>
 #include <string>
 
 #include "base/macros.h"
+#include "base/memory/weak_ptr.h"
 #include "base/optional.h"
 #include "base/scoped_observer.h"
 #include "base/supports_user_data.h"
 #include "base/threading/non_thread_safe.h"
 #include "components/autofill/core/browser/webdata/autofill_change.h"
 #include "components/autofill/core/browser/webdata/autofill_webdata_service_observer.h"
 #include "components/sync/model/metadata_change_list.h"
 #include "components/sync/model/model_error.h"
 #include "components/sync/model/model_type_sync_bridge.h"
 
@@ skipping 10 matching lines @@
   AutocompleteSyncBridge();
   AutocompleteSyncBridge(
       AutofillWebDataBackend* backend,
       const ChangeProcessorFactory& change_processor_factory);
   ~AutocompleteSyncBridge() override;
 
   static void CreateForWebDataServiceAndBackend(
       AutofillWebDataService* web_data_service,
       AutofillWebDataBackend* web_data_backend);
 
-  static AutocompleteSyncBridge* FromWebDataService(
+  static base::WeakPtr<syncer::ModelTypeSyncBridge> FromWebDataService(
       AutofillWebDataService* web_data_service);
 
   // syncer::ModelTypeSyncBridge implementation.
   std::unique_ptr<syncer::MetadataChangeList> CreateMetadataChangeList()
       override;
   base::Optional<syncer::ModelError> MergeSyncData(
       std::unique_ptr<syncer::MetadataChangeList> metadata_change_list,
       syncer::EntityDataMap entity_data_map) override;
   base::Optional<syncer::ModelError> ApplySyncChanges(
       std::unique_ptr<syncer::MetadataChangeList> metadata_change_list,
@@ skipping 33 matching lines @@
 
   ScopedObserver<AutofillWebDataBackend, AutocompleteSyncBridge>
       scoped_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(AutocompleteSyncBridge);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_WEBDATA_AUTOCOMPLETE_SYNC_BRIDGE_H_