Move remote platform creation logic from cros_browser_finders to platform.

tools/telemetry/telemetry/core/platform/device.py

Index: tools/telemetry/telemetry/core/platform/device.py
diff --git a/tools/telemetry/telemetry/core/platform/device.py b/tools/telemetry/telemetry/core/platform/device.py
new file mode 100644
index 0000000000000000000000000000000000000000..5c0730165cb2dcaf123e4fbd69a71908155b247c
--- /dev/null
+++ b/tools/telemetry/telemetry/core/platform/device.py
@@ -0,0 +1,33 @@
+# 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 as real_logging
+
+
+class Device(object):
+  """ A base class of devices.
+  A device instance contains all the necessary information for constructing
+  a platform backend object for remote platforms.
+
+  Attributes:
+    name: A device name string in human-understandable term.
+    device_id: A unique id of the device. Subclass of device must specify this
+      id properly so that device objects to a same actual device must have same
+      device_id.
+    """
+
+  def __init__(self, name, device_id):
+    self._name = name
+    self._device_id = device_id
+
+  @property
+  def name(self):
+    return self._name
+
+  @property
+  def device_id(self):
+    return self._device_id
+
+  @classmethod
+  def GetAllConnectedDevices(cls, logging=real_logging):
+    raise NotImplementedError()