[Sync] USS: Add EntityChange.

components/sync_driver/device_info_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/device_info_service.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "sync/api/model_type_change_processor.h"
@@ skipping 30 matching lines @@
 
 syncer::SyncError DeviceInfoService::MergeSyncData(
     syncer_v2::MetadataChanges* metadata_changes,
     syncer_v2::EntityDataList entity_data_list) {
   // TODO(skym): Implementation.
   return syncer::SyncError();
 }
 
 syncer::SyncError DeviceInfoService::ApplySyncChanges(
     syncer_v2::MetadataChanges* metadata_changes,
-    syncer_v2::EntityDataList entity_data_list) {
+    syncer_v2::EntityChangeList entity_changes) {
   // TODO(skym): Implementation.
   return syncer::SyncError();
 }
 
 void DeviceInfoService::LoadMetadata(MetadataCallback callback) {
   // TODO(skym): Implementation.
 }
 
 void DeviceInfoService::GetData(ClientKeyList client_keys,
                                 DataCallback callback) {
@@ skipping 128 matching lines @@
              << " with ID " << client_id;
     all_data_.erase(iter);
   }
 }
 
 void DeviceInfoService::OnProviderInitialized() {
   // TODO(skym): Do we need this?
 }
 
 }  // namespace sync_driver_v2