[Android] Get rid of old perf test runner.

build/android/pylib/perf/setup.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.
-
-"""Generates test runner factory and tests for performance tests."""
-
-import json
-import fnmatch
-import logging
-import os
-import shutil
-
-from devil.android import device_list
-from devil.android import device_utils
-from pylib import constants
-from pylib.perf import test_runner
-from pylib.utils import test_environment
-
-
-def _GetAllDevices(active_devices, devices_path):
-  try:
-    if devices_path:
-      devices = [device_utils.DeviceUtils(s)
-                 for s in device_list.GetPersistentDeviceList(devices_path)]
-      if not devices and active_devices:
-        logging.warning('%s is empty. Falling back to active devices.',
-                        devices_path)
-        devices = active_devices
-    else:
-      logging.warning('Known devices file path not being passed. For device '
-                      'affinity to work properly, it must be passed.')
-      devices = active_devices
-  except IOError as e:
-    logging.error('Unable to find %s [%s]', devices_path, e)
-    devices = active_devices
-  return sorted(devices)
-
-
-def _GetStepsDictFromSingleStep(test_options):
-  # Running a single command, build the tests structure.
-  steps_dict = {
-    'version': 1,
-    'steps': {
-        'single_step': {
-          'device_affinity': 0,
-          'cmd': test_options.single_step
-        },
-    }
-  }
-  return steps_dict
-
-
-def _GetStepsDict(test_options):
-  if test_options.single_step:
-    return _GetStepsDictFromSingleStep(test_options)
-  if test_options.steps:
-    with file(test_options.steps, 'r') as f:
-      steps = json.load(f)
-
-      # Already using the new format.
-      assert steps['version'] == 1
-      return steps
-
-
-def Setup(test_options, active_devices):
-  """Create and return the test runner factory and tests.
-
-  Args:
-    test_options: A PerformanceOptions object.
-
-  Returns:
-    A tuple of (TestRunnerFactory, tests, devices).
-  """
-  # TODO(bulach): remove this once the bot side lands. BUG=318369
-  constants.SetBuildType('Release')
-  if os.path.exists(constants.PERF_OUTPUT_DIR):
-    shutil.rmtree(constants.PERF_OUTPUT_DIR)
-  os.makedirs(constants.PERF_OUTPUT_DIR)
-
-  # Before running the tests, kill any leftover server.
-  test_environment.CleanupLeftoverProcesses(active_devices)
-
-  # We want to keep device affinity, so return all devices ever seen.
-  all_devices = _GetAllDevices(active_devices, test_options.known_devices_file)
-
-  steps_dict = _GetStepsDict(test_options)
-  sorted_step_names = sorted(steps_dict['steps'].keys())
-
-  if test_options.test_filter:
-    sorted_step_names = fnmatch.filter(sorted_step_names,
-                                       test_options.test_filter)
-
-  flaky_steps = []
-  if test_options.flaky_steps:
-    with file(test_options.flaky_steps, 'r') as f:
-      flaky_steps = json.load(f)
-
-  def TestRunnerFactory(device, shard_index):
-    if str(device) in active_devices:
-      return test_runner.TestRunner(
-          test_options, device, shard_index, len(all_devices),
-          steps_dict, flaky_steps)
-    return None
-
-  return (TestRunnerFactory, sorted_step_names, all_devices)