Upstream android file related code.

base/file_util_android.cc

Index: base/file_util_android.cc
diff --git a/base/file_util_android.cc b/base/file_util_android.cc
new file mode 100644
index 0000000000000000000000000000000000000000..eff3a4665a685790b0ded7d04ca1c9724734be3c
--- /dev/null
+++ b/base/file_util_android.cc
@@ -0,0 +1,16 @@
+// Copyright (c) 2011 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 "base/file_util.h"
+
+#include "base/file_path.h"
+
+namespace file_util {
+
+bool GetShmemTempDir(FilePath* path) {
+  *path = FilePath("/data/local/tmp");
+  return true;
+}
+
+}  // namespace file_util