Merge 159454 - Flush at the end of local file writing in FileWriter API.

net/base/file_stream.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 "net/base/file_stream.h"
 
 namespace net {
 
 FileStream::FileStream(net::NetLog* net_log)
     : impl_(net_log) {
@@ skipping 60 matching lines @@
 }
 
 int FileStream::WriteSync(const char* buf, int buf_len) {
   return impl_.WriteSync(buf, buf_len);
 }
 
 int64 FileStream::Truncate(int64 bytes) {
   return impl_.Truncate(bytes);
 }
 
-int FileStream::Flush() {
-  return impl_.Flush();
+int FileStream::Flush(const CompletionCallback& callback) {
+  return impl_.Flush(callback);
+}
+
+int FileStream::FlushSync() {
+  return impl_.FlushSync();
 }
 
 void FileStream::EnableErrorStatistics() {
   impl_.EnableErrorStatistics();
 }
 
 void FileStream::SetBoundNetLogSource(
     const net::BoundNetLog& owner_bound_net_log) {
   impl_.SetBoundNetLogSource(owner_bound_net_log);
 }
 
 base::PlatformFile FileStream::GetPlatformFileForTesting() {
   return impl_.GetPlatformFileForTesting();
 }
 
 }  // namespace net