Telemetry --device

tools/telemetry/telemetry/core/platform/android_device.py

Index: tools/telemetry/telemetry/core/platform/android_device.py
diff --git a/tools/telemetry/telemetry/core/platform/android_device.py b/tools/telemetry/telemetry/core/platform/android_device.py
index 70dbf460a66a9800c1449dc279ca4575c448c247..4eb61ae38f54e6a86588e0728363b13d3d1e6f91 100644
--- a/tools/telemetry/telemetry/core/platform/android_device.py
+++ b/tools/telemetry/telemetry/core/platform/android_device.py
@@ -2,6 +2,10 @@
 # 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 subprocess
+import sys
 
 from telemetry.core import util
 from telemetry.core.backends import adb_commands
@@ -61,3 +65,50 @@ Waiting for device...
   @property
   def enable_performance_mode(self):
     return self._enable_performance_mode
+
+  def FindAllAvailableBrowsers(self, options):
+    return []
+
+
+def CanFindAvailableBrowsers():
+  return CanFindAvailableDevices()
+
+
+def CanFindAvailableDevices():
+  if not adb_commands.IsAndroidSupported():
+    logging.info('Android build commands unavailable on this machine. Have '
+                 'you installed Android build dependencies?')
+    return False
+
+  try:
+    with open(os.devnull, 'w') as devnull:
+      proc = subprocess.Popen(
+          ['adb', 'devices'],
+          stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=devnull)
+      stdout, _ = proc.communicate()
+    if re.search(re.escape('????????????\tno permissions'), stdout) != None:
+      logging.warn('adb devices reported a permissions error. Consider '
+                   'restarting adb as root:')
+      logging.warn('  adb kill-server')
+      logging.warn('  sudo `which adb` devices\n\n')
+    return True
+  except OSError:
+    platform_tools_path = os.path.join(util.GetChromiumSrcDir(),
+        'third_party', 'android_tools', 'sdk', 'platform-tools')
+    if (sys.platform.startswith('linux') and
+        os.path.exists(os.path.join(platform_tools_path, 'adb'))):
+      os.environ['PATH'] = os.pathsep.join([platform_tools_path,
+                                            os.environ['PATH']])
+      return True
+  return False
+
+
+def FindAllAvailableDevices(options):
+  """Returns a list of available device types.
+  """
+  if not CanFindAvailableDevices():
+    logging.info('No adb command found. ' +
+                 'Will not try searching for Android browsers.')
+    return []
+  else:
+    return AndroidDevice.GetAllConnectedDevices()