[Android] Change object types from AndroidCommands to DeviceUtils in build/android/.

build/android/pylib/device/adb_wrapper.py

 # Copyright 2013 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 module wraps Android's adb tool.
 
 This is a thin wrapper around the adb interface. Any additional complexity
 should be delegated to a higher level (ex. DeviceUtils).
 """
 
@@ skipping 21 matching lines @@
     super(CommandFailedError, self).__init__(
         (('device %s: ' % device) if device else '') +
         'adb command \'%s\' failed with message: \'%s\'' % (' '.join(cmd), msg))
 
 
 class CommandTimeoutError(BaseError):
   """Exception for command timeouts."""
   pass
 
 
+class DeviceUnreachableError(BaseError):
+  """Exception for device unreachable failures."""
+  pass
+
 def _VerifyLocalFileExists(path):
   """Verifies a local file exists.
 
   Args:
     path: Path to the local file.
 
   Raises:
     IOError: If the file doesn't exist.
   """
   if not os.path.exists(path):
@@ skipping 93 matching lines @@
     Args:
       timeout: (optional) Timeout per try in seconds.
       retries: (optional) Number of retries to attempt.
 
     Yields:
       AdbWrapper instances.
     """
     output = cls._AdbCmd(['devices'], timeout, retries)
     lines = [line.split() for line in output.split('\n')]
     return [AdbWrapper(line[0]) for line in lines
-            if len(line) == 2 and line[1] == 'device'] 
+            if len(line) == 2 and line[1] == 'device']
 
   def GetDeviceSerial(self):
     """Gets the device serial number associated with this object.
 
     Returns:
       Device serial number as a string.
     """
     return self._device_serial
 
   def Push(self, local, remote, timeout=60*5, retries=_DEFAULT_RETRIES):
@@ skipping 247 matching lines @@
     """Restarts the adbd daemon with root permissions, if possible.
 
     Args:
       timeout: (optional) Timeout per try in seconds.
       retries: (optional) Number of retries to attempt.
     """
     output = self._DeviceAdbCmd(['root'], timeout, retries)
     if 'cannot' in output:
       raise CommandFailedError(['root'], output)