net: Rename FileStream::Open/Close with OpenSync/CloseSync.

net/base/mock_file_stream.cc

Index: net/base/mock_file_stream.cc
diff --git a/net/base/mock_file_stream.cc b/net/base/mock_file_stream.cc
index cb59cf9bfb10b1a22001145d67cce28b3bdeed52..afca7474540f2de60f74e4e7d5dc2a54c833bfcd 100644
--- a/net/base/mock_file_stream.cc
+++ b/net/base/mock_file_stream.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -8,9 +8,9 @@ namespace net {
 
 namespace testing {
 
-int MockFileStream::Open(const FilePath& path, int open_flags) {
+int MockFileStream::OpenSync(const FilePath& path, int open_flags) {
   path_ = path;
-  return ReturnError(FileStream::Open(path, open_flags));
+  return ReturnError(FileStream::OpenSync(path, open_flags));
 }
 
 int64 MockFileStream::Seek(Whence whence, int64 offset) {