[Android] Redirect std{in,out,err} to sockets for layout tests.

base/android/fifo_utils.h

-// 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.
-
-#ifndef BASE_ANDROID_FIFO_UTILS_H_
-#define BASE_ANDROID_FIFO_UTILS_H_
-
-#include <stdio.h>
-
-#include "base/base_export.h"
-
-namespace base {
-
-class FilePath;
-
-namespace android {
-
-// Creates a fifo at the given |path| with POSIX permissions set to |mode|,
-// returning true if it was successfully created and permissions were set.
-BASE_EXPORT bool CreateFIFO(const FilePath& path, int mode);
-
-// Redirects the |stream| to the file provided by |path| with |mode|
-// permissions, returning true if successful.
-BASE_EXPORT bool RedirectStream(FILE* stream,
-                                const FilePath& path,
-                                const char* mode);
-
-}  // namespace android
-}  // namespace base
-
-#endif  // BASE_ANDROID_FIFO_UTILS_H_