Move remote platforms creation logic from android_browser_finder to platform

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
new file mode 100644
index 0000000000000000000000000000000000000000..f72a18619bff18684364dfb679729a22a85ad5ff
--- /dev/null
+++ b/tools/telemetry/telemetry/core/platform/android_device.py
@@ -0,0 +1,63 @@
+# Copyright 2014 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
+
+from telemetry.core import util
+from telemetry.core.backends import adb_commands
+from telemetry.core.platform import device
+from telemetry.core.platform.profiler import monsoon
+
+
+class AndroidDevice(device.Device):
+  """ Class represents information for connecting to an android device.
+
+  Attributes:
+    device_id: the device's serial string created by adb to uniquely
+      identify an emulator/device instance. This string can be found by running
+      'adb devices' command
+    enable_performance_mode: when this is set to True, android platform will be
+    set to high performance mode after browser is started.
+  """
+  def __init__(self, device_id, enable_performance_mode=False):
+    super(AndroidDevice, self).__init__(
+        name='Android device %s' % device_id, guid=device_id)
+    self._device_id = device_id
+    self._enable_performance_mode = enable_performance_mode
+
+  @classmethod
+  def GetAllConnectedDevices(cls):
+    device_serials = adb_commands.GetAttachedDevices()
+    # The monsoon provides power for the device, so for devices with no
+    # real battery, we need to turn them on after the monsoon enables voltage
+    # output to the device.
+    if not device_serials:
+      try:
+        m = monsoon.Monsoon(wait=False)
+        m.SetUsbPassthrough(1)
+        m.SetVoltage(3.8)
+        m.SetMaxCurrent(8)
+        logging.warn("""
+Monsoon power monitor detected, but no Android devices.
+
+The Monsoon's power output has been enabled. Please now ensure that:
+
+  1. The Monsoon's front and back USB are connected to the host.
+  2. The device is connected to the Monsoon's main and USB channels.
+  3. The device is turned on.
+
+Waiting for device...
+""")
+        util.WaitFor(adb_commands.GetAttachedDevices, 600)
+        device_serials = adb_commands.GetAttachedDevices()
+      except IOError:
+        return []
+    return [AndroidDevice(s) for s in device_serials]
+
+  @property
+  def device_id(self):
+    return self._device_id
+
+  @property
+  def enable_performance_mode(self):
+    return self._enable_performance_mode