repro for crbug.com/663886

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.
@@ skipping 80 matching lines @@
   const std::string command_line_flags(
       base::android::ConvertJavaStringToUTF8(env, jcommand_line_flags));
   ParseArgsFromString(command_line_flags, &args);
 
   std::vector<char*> argv;
   int argc = ArgsToArgv(args, &argv);
 
   // Fully initialize command line with arguments.
   base::CommandLine::ForCurrentProcess()->AppendArguments(
       base::CommandLine(argc, &argv[0]), false);
-  const base::CommandLine& command_line =
-      *base::CommandLine::ForCurrentProcess();
+  //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.
   unlink(stdout_file_path.value().c_str());
   if (jstdout_fifo) {
     if (!base::android::CreateFIFO(stdout_file_path, 0666)) {
       AndroidLog(ANDROID_LOG_ERROR, "Failed to create fifo %s: %s\n",
                  stdout_file_path.value().c_str(), strerror(errno));
       exit(EXIT_FAILURE);
     }
   }
   if (!base::android::RedirectStream(stdout, stdout_file_path, "w+")) {
     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);
-    base::debug::WaitForDebugger(24 * 60 * 60, true);
-  }
+  //if (command_line.HasSwitch(switches::kWaitForDebugger)) {
+    //AndroidLog(ANDROID_LOG_VERBOSE,
+               //"Native test waiting for GDB because flag %s was supplied",
+               //switches::kWaitForDebugger);
+    //base::debug::WaitForDebugger(24 * 60 * 60, true);
+  //}
 
   base::FilePath test_data_dir(
       base::android::ConvertJavaStringToUTF8(env, jtest_data_dir));
   base::InitAndroidTestPaths(test_data_dir);
 
   ScopedMainEntryLogger scoped_main_entry_logger;
   main(argc, &argv[0]);
 }
 
 bool RegisterNativeTestJNI(JNIEnv* env) {
@@ skipping 12 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