Use FileDescriptorWatcher in base::TestLauncher.

base/test/launcher/test_launcher_nacl_nonsfi.cc

 // Copyright 2015 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 <inttypes.h>
 #include <stdio.h>
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "base/process/launch.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/string_tokenizer.h"
 #include "base/strings/string_util.h"
 #include "base/sys_info.h"
 #include "base/test/launcher/test_launcher.h"
 #include "base/test/launcher/unit_test_launcher.h"
 #include "base/test/test_switches.h"
 #include "base/test/test_timeouts.h"
+#include "build/build_config.h"
+
+#if defined(OS_POSIX)
+#include "base/files/file_descriptor_watcher_posix.h"
+#endif
 
 namespace base {
 
 namespace {
 
 const char kHelpFlag[] = "help";
 
 void PrintUsage() {
   fprintf(stdout,
           "Runs tests using the gtest framework, each batch of tests being\n"
@@ skipping 98 matching lines @@
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(kHelpFlag)) {
     PrintUsage();
     return 0;
   }
 
   base::TimeTicks start_time(base::TimeTicks::Now());
 
   TestTimeouts::Initialize();
 
   base::MessageLoopForIO message_loop;
+#if defined(OS_POSIX)
+  FileDescriptorWatcher file_descriptor_watcher(&message_loop);
+#endif
 
   NonSfiUnitTestPlatformDelegate platform_delegate;
   if (!platform_delegate.Init(test_binary)) {
     fprintf(stderr, "Failed to initialize test launcher.\n");
     fflush(stderr);
     return 1;
   }
 
   base::UnitTestLauncherDelegate delegate(&platform_delegate, 10, true);
   base::TestLauncher launcher(&delegate, base::SysInfo::NumberOfProcessors());
   bool success = launcher.Run();
 
   fprintf(stdout, "Tests took %" PRId64 " seconds.\n",
           (base::TimeTicks::Now() - start_time).InSeconds());
   fflush(stdout);
   return success ? 0 : 1;
 }
 
 }  // namespace base