Convert Media Galleries to use base::File

chrome/browser/chromeos/drive/drive_file_stream_reader.cc

 // Copyright 2013 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/chromeos/drive/drive_file_stream_reader.h"
 
 #include <algorithm>
 #include <cstring>
 
 #include "base/callback_helpers.h"
 #include "base/logging.h"
 #include "base/sequenced_task_runner.h"
 #include "chrome/browser/chromeos/drive/drive.pb.h"
 #include "chrome/browser/chromeos/drive/file_system_interface.h"
 #include "chrome/browser/chromeos/drive/local_file_reader.h"
 #include "content/public/browser/browser_thread.h"
 #include "google_apis/drive/task_util.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 #include "net/http/http_byte_range.h"
 
 using content::BrowserThread;
 
 namespace drive {
 namespace {
 
 // Converts FileError code to net::Error code.
 int FileErrorToNetError(FileError error) {
-  return net::PlatformFileErrorToNetError(FileErrorToPlatformError(error));
+  return net::FileErrorToNetError(FileErrorToBaseFileError(error));
 }
 
 // Runs task on UI thread.
 void RunTaskOnUIThread(const base::Closure& task) {
   google_apis::RunTaskOnThread(
       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI), task);
 }
 
 // Computes the concrete |start| offset and the |length| of |range| in a file
 // of |total| size.
@@ skipping 423 matching lines @@
     // Note: due to the same reason, LocalReaderProxy::OnCompleted may
     // or may not be called. This is timing issue, and it is difficult to avoid
     // unfortunately.
     if (error != FILE_ERROR_OK) {
       callback.Run(FileErrorToNetError(error), scoped_ptr<ResourceEntry>());
     }
   }
 }
 
 }  // namespace drive