[android] Instumentation tests determine whether to install test apk based on Md5Sum.

build/android/pylib/android_commands.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.
 
 """Provides an interface to communicate with the device via the adb command.
 
 Assumes adb binary is currently on system path.
 """
 
 import collections
@@ skipping 706 matching lines @@
       self.RunShellCommand('pm clear ' + package)
 
   def SendKeyEvent(self, keycode):
     """Sends keycode to the device.
 
     Args:
       keycode: Numeric keycode to send (see "enum" at top of file).
     """
     self.RunShellCommand('input keyevent %d' % keycode)
 
-  def CheckMd5Sum(self, local_path, device_path, ignore_paths=False):
+  def CheckMd5Sum(self, local_path, device_path):
     """Compares the md5sum of a local path against a device path.
 
     Args:
       local_path: Path (file or directory) on the host.
       device_path: Path on the device.
-      ignore_paths: If False, both the md5sum and the relative paths/names of
-          files must match. If True, only the md5sum must match.
 
     Returns:
       True if the md5sums match.
     """
     if not self._md5sum_build_dir:
       default_build_type = os.environ.get('BUILD_TYPE', 'Debug')
       build_dir = '%s/%s/' % (
           cmd_helper.OutDirectory().get(), default_build_type)
       md5sum_dist_path = '%s/md5sum_dist' % build_dir
       if not os.path.exists(md5sum_dist_path):
@@ skipping 715 matching lines @@
   """
   def __init__(self, output):
     self._output = output
 
   def write(self, data):
     data = data.replace('\r\r\n', '\n')
     self._output.write(data)
 
   def flush(self):
     self._output.flush()