net: Implement canceling of all async operations in FileStream.

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) {
 }
 
 FileStream::FileStream(
     base::PlatformFile file, int flags, net::NetLog* net_log)
     : impl_(file, flags, net_log) {
 }
 
 FileStream::~FileStream() {
 }
 
 void FileStream::Close(const CompletionCallback& callback) {
   impl_.Close(callback);
 }
 
 void FileStream::CloseSync() {
   impl_.CloseSync();
 }
 
+void FileStream::CloseAndCancelAsync() {
+  impl_.CloseAndCancelAsync();
+}
+
 int FileStream::Open(const FilePath& path, int open_flags,
                      const CompletionCallback& callback) {
   return impl_.Open(path, open_flags, callback);
 }
 
 int FileStream::OpenSync(const FilePath& path, int open_flags) {
   return impl_.OpenSync(path, open_flags);
 }
 
 bool FileStream::IsOpen() const {
@@ skipping 50 matching lines @@
 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