Linux sandbox: Make the test run on Android as Native executable

build/android/pylib/forwarder.py

 # 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.
 
 import logging
 import os
 import re
 import sys
 import time
 
@@ skipping 89 matching lines @@
       device_port = int(tokens[0])
       host_port = int(tokens[1])
       self._host_to_device_port_map[host_port] = device_port
       logging.info('Forwarding device port: %d to host port: %d.', device_port,
                    host_port)
 
   @staticmethod
   def KillHost(build_type):
     logging.info('Killing host_forwarder.')
     host_forwarder_path = _MakeBinaryPath(build_type, 'host_forwarder')
+    assert os.path.exists(host_forwarder_path), 'Please build forwarder2'
     (exit_code, output) = cmd_helper.GetCmdStatusAndOutput(
         [host_forwarder_path, 'kill-server'])
     if exit_code != 0:
       (exit_code, output) = cmd_helper.GetCmdStatusAndOutput(
           ['pkill', 'host_forwarder'])
       if exit_code != 0:
         raise Exception('%s exited with %d:\n%s' % (
               host_forwarder_path, exit_code, '\n'.join(output)))
 
   @staticmethod
@@ skipping 15 matching lines @@
 
   def DevicePortForHostPort(self, host_port):
     """Get the device port that corresponds to a given host port."""
     return self._host_to_device_port_map.get(host_port)
 
   def Close(self):
     """Terminate the forwarder process."""
     if self._device_process:
       self._device_process.close()
       self._device_process = None