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

testing/android/native_test/native_test_launcher.cc

 // 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.
 
 // This class sets up the environment for running the native tests inside an
 // android application. It outputs (to a fifo) markers identifying the
 // START/PASSED/CRASH of the test suite, FAILURE/SUCCESS of individual tests,
 // etc.
 // These markers are read by the test runner script to generate test results.
 // It installs signal handlers to detect crashes.
 
 #include <android/log.h>
 #include <signal.h>
 
 #include "base/android/base_jni_registrar.h"
 #include "base/android/context_utils.h"
-#include "base/android/fifo_utils.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/at_exit.h"
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "base/test/test_support_android.h"
@@ skipping 70 matching lines @@
   base::CommandLine::ForCurrentProcess()->AppendArguments(
       base::CommandLine(argc, &argv[0]), false);
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
 
   base::FilePath stdout_file_path(
       base::android::ConvertJavaStringToUTF8(env, jstdout_file_path));
 
   // A few options, such "--gtest_list_tests", will just use printf directly
   // Always redirect stdout to a known file.
-  if (!base::android::RedirectStream(stdout, stdout_file_path, "a+")) {
+  if (freopen(stdout_file_path.value().c_str(), "a+", stdout) == NULL) {

[jbudorick, 2016/12/08 02:04:13]

This was the last remaining use of fifo_utils.

     AndroidLog(ANDROID_LOG_ERROR, "Failed to redirect stream to file: %s: %s\n",
                stdout_file_path.value().c_str(), strerror(errno));
     exit(EXIT_FAILURE);
   }
   dup2(STDOUT_FILENO, STDERR_FILENO);
 
   if (command_line.HasSwitch(switches::kWaitForDebugger)) {
     AndroidLog(ANDROID_LOG_VERBOSE,
                "Native test waiting for GDB because flag %s was supplied",
                switches::kWaitForDebugger);
@@ skipping 24 matching lines @@
   sa.sa_sigaction = SignalHandler;
   sa.sa_flags = SA_SIGINFO;
 
   for (unsigned int i = 0; kExceptionSignals[i] != -1; ++i) {
     sigaction(kExceptionSignals[i], &sa, &g_old_sa[kExceptionSignals[i]]);
   }
 }
 
 }  // namespace android
 }  // namespace testing