Close leaking FDs.

content/public/browser/file_descriptor_info.h

+// 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.
+
+#ifndef CONTENT_PUBLIC_BROWSER_FILE_DESCRIPTOR_INFO_H_
+#define CONTENT_PUBLIC_BROWSER_FILE_DESCRIPTOR_INFO_H_
+
+#include "base/file_descriptor_posix.h"
+
+namespace content {
+
+// This struct is used when passing files that should be mapped in a process
+// that is been created and allows to associate that file with a specific ID.
+// It also provides a way to know if the actual file descriptor should be
+// closed with the FileDescriptor.auto_close field.
+
+struct FileDescriptorInfo {
+  FileDescriptorInfo(int id, const base::FileDescriptor& file_descriptor)
+      : id(id),
+        fd(file_descriptor) {
+  }
+
+  int id;
+  base::FileDescriptor fd;
+};
+
+}
+
+#endif  // CONTENT_PUBLIC_BROWSER_FILE_DESCRIPTOR_INFO_H_