[Sync] Replace manual DI with SetTestingFactory.

components/sync/driver/fake_sync_service.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 "components/sync/driver/fake_sync_service.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/values.h"
 #include "components/sync/driver/data_type_controller.h"
 #include "components/sync/syncable/base_transaction.h"
@@ skipping 128 matching lines @@
 
 LocalDeviceInfoProvider* FakeSyncService::GetLocalDeviceInfoProvider() const {
   return nullptr;
 }
 
 void FakeSyncService::RegisterDataTypeController(
     std::unique_ptr<DataTypeController> data_type_controller) {}
 
 void FakeSyncService::ReenableDatatype(ModelType type) {}
 
-bool FakeSyncService::IsPassphraseRequired() const {
-  return false;
-}
-
-ModelTypeSet FakeSyncService::GetEncryptedDataTypes() const {
-  return ModelTypeSet();
-}
-
 FakeSyncService::SyncTokenStatus FakeSyncService::GetSyncTokenStatus() const {
   return FakeSyncService::SyncTokenStatus();
 }
 
 std::string FakeSyncService::QuerySyncStatusSummaryString() {
   return "";
 }
 
 bool FakeSyncService::QueryDetailedSyncStatus(SyncStatus* result) {
   return false;
@@ skipping 44 matching lines @@
   return base::WeakPtr<JsController>();
 }
 
 void FakeSyncService::GetAllNodes(
     const base::Callback<void(std::unique_ptr<base::ListValue>)>& callback) {}
 
 SigninManagerBase* FakeSyncService::signin() const {
   return nullptr;
 }
 
+bool FakeSyncService::IsPassphraseRequired() const {
+  return false;
+}
+
+ModelTypeSet FakeSyncService::GetEncryptedDataTypes() const {
+  return ModelTypeSet();
+}
+
+void FakeSyncService::Shutdown() {}
+
 }  // namespace syncer