def reproduce_crash(self):
        """Reproduce crash on Android."""
        android.reset(self.testcase.android_package_name)
        android.reboot()
        android.ensure_active()
        android.clear_log()

        ret_value, _ = android.adb_shell(
            'am start -a android.intent.action.MAIN '
            "-n {package_name}/{class_name} '{testcase_url}'".format(
                package_name=self.testcase.android_package_name,
                class_name=self.testcase.android_main_class_name,
                testcase_url=self.get_testcase_url()),
            redirect_stderr_to_stdout=True,
            stdout_transformer=output_transformer.Identity())
        time.sleep(TEST_TIMEOUT)

        run_monkey_gestures_if_needed(self.testcase.android_package_name,
                                      self.testcase.gestures)

        output = android.get_log()
        android.kill(self.testcase.android_package_name)

        lib_tmp_dir_path = tempfile.mkdtemp(dir=common.CLUSTERFUZZ_TMP_DIR)
        symbolized_output = symbolize(
            output=android.fix_lib_path(
                content=android.filter_log(output),
                search_paths=[
                    self.binary_provider.get_unstripped_lib_dir_path(),
                    self.binary_provider.get_android_libclang_dir_path()
                ],
                lib_tmp_dir_path=lib_tmp_dir_path),
            source_dir_path=self.binary_provider.get_source_dir_path())
        common.delete_if_exists(lib_tmp_dir_path)
        return ret_value, symbolized_output
    def pre_build_steps(self):
        """Pre-build step."""
        # Ensure that the user sets ANDROID_SERIAL. Because adb uses it.
        device_id = self.get_device_id()
        android.ensure_root_and_remount()
        android.ensure_active()
        android.ensure_asan(android_libclang_dir_path=(
            self.binary_provider.get_android_libclang_dir_path()),
                            device_id=device_id)

        super(AndroidChromeReproducer, self).pre_build_steps()

        for path, content in self.testcase.files.iteritems():
            android.write_content(path, content)
        android.write_content(self.testcase.command_line_file_path,
                              'chrome %s' % self.args)
        self.install()