Revert of [Sync] Refactor AttachmentStore classes. Introduce concept of referrer.

chrome/browser/sync/profile_sync_components_factory_mock.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 "chrome/browser/sync/profile_sync_components_factory_mock.h"
 
 #include "components/sync_driver/change_processor.h"
 #include "components/sync_driver/local_device_info_provider_mock.h"
 #include "components/sync_driver/model_associator.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 19 matching lines @@
       WillByDefault(
           InvokeWithoutArgs(
               this,
               &ProfileSyncComponentsFactoryMock::MakeSyncComponents));
 }
 
 ProfileSyncComponentsFactoryMock::~ProfileSyncComponentsFactoryMock() {}
 
 scoped_ptr<syncer::AttachmentService>
 ProfileSyncComponentsFactoryMock::CreateAttachmentService(
-    scoped_ptr<syncer::AttachmentStore> attachment_store,
+    const scoped_refptr<syncer::AttachmentStore>& attachment_store,
     const syncer::UserShare& user_share,
     const std::string& store_birthday,
     syncer::ModelType model_type,
     syncer::AttachmentService::Delegate* delegate) {
   return syncer::AttachmentServiceImpl::CreateForTest();
 }
 
 ProfileSyncComponentsFactory::SyncComponents
 ProfileSyncComponentsFactoryMock::MakeSyncComponents() {
   return SyncComponents(model_associator_.release(),
                         change_processor_.release());
 }
 
 scoped_ptr<sync_driver::LocalDeviceInfoProvider>
 ProfileSyncComponentsFactoryMock::CreateLocalDeviceInfoProvider() {
   return local_device_.Pass();
 }
 
 void ProfileSyncComponentsFactoryMock::SetLocalDeviceInfoProvider(
     scoped_ptr<sync_driver::LocalDeviceInfoProvider> local_device) {
   local_device_ = local_device.Pass();
 }