Add upstream code as of Chromium r334380.

Copy the unchanged source from
https://chromium.googlesource.com/chromium/src/base/ as of
r334380 (really r334285 a.k.a. 23911a0c in the base/
subtree).

Also add MODULE_LICENSE_BSD and copy Chromium's current
LICENSE file to NOTICE.

Bug: 22317122
Change-Id: I89863bfeca67b3a1ff05e6078f2f9ee4e31c5c99

1 files changed, 61 insertions, 0 deletions

diff --git a/base/files/scoped_file.h b/base/files/scoped_file.h
new file mode 100644
index 0000000000..106f6ad94b
--- /dev/null
+++ b/base/files/scoped_file.h
@@ -0,0 +1,61 @@
+// Copyright 2014 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 BASE_FILES_SCOPED_FILE_H_
+#define BASE_FILES_SCOPED_FILE_H_
+
+#include <stdio.h>
+
+#include "base/base_export.h"
+#include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/scoped_generic.h"
+#include "build/build_config.h"
+
+namespace base {
+
+namespace internal {
+
+#if defined(OS_POSIX)
+struct BASE_EXPORT ScopedFDCloseTraits {
+  static int InvalidValue() {
+    return -1;
+  }
+  static void Free(int fd);
+};
+#endif
+
+// Functor for |ScopedFILE| (below).
+struct ScopedFILECloser {
+  inline void operator()(FILE* x) const {
+    if (x)
+      fclose(x);
+  }
+};
+
+}  // namespace internal
+
+// -----------------------------------------------------------------------------
+
+#if defined(OS_POSIX)
+// A low-level Posix file descriptor closer class. Use this when writing
+// platform-specific code, especially that does non-file-like things with the
+// FD (like sockets).
+//
+// If you're writing low-level Windows code, see base/win/scoped_handle.h
+// which provides some additional functionality.
+//
+// If you're writing cross-platform code that deals with actual files, you
+// should generally use base::File instead which can be constructed with a
+// handle, and in addition to handling ownership, has convenient cross-platform
+// file manipulation functions on it.
+typedef ScopedGeneric<int, internal::ScopedFDCloseTraits> ScopedFD;
+#endif
+
+// Automatically closes |FILE*|s.
+typedef scoped_ptr<FILE, internal::ScopedFILECloser> ScopedFILE;
+
+}  // namespace base
+
+#endif  // BASE_FILES_SCOPED_FILE_H_