Android: cleanup old perf sharding list.

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
@@ skipping 24 matching lines @@
     'version': 1,
     'steps': {
         'single_step': {
           'device_affinity': 0,
           'cmd': test_options.single_step
         },
     }
   }
   return steps_dict
 
-# TODO(bulach): remove once it rolls downstream, crbug.com/378862.
-def _GetStepsDictFromV0(steps_v0):
-  steps_dict = {
-    'version': 1,
-    'steps': {},
-  }
-  affinity = 0
-  for step in steps_v0:
-    steps_dict['steps'][step[0]] = {
-        'device_affinity': affinity,
-        'cmd': step[1],
-    }
-    affinity += 1
-  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)
-      # TODO(bulach): remove once it rolls downstream, crbug.com/378862.
-      if isinstance(steps, list):
-        return _GetStepsDictFromV0(steps)
 
       # Already using the new format.
       assert steps['version'] == 1
       return steps
 
 
 def Setup(test_options):
   """Create and return the test runner factory and tests.
 
   Args:
@@ skipping 26 matching lines @@
   if test_options.flaky_steps:
     with file(test_options.flaky_steps, 'r') as f:
       flaky_steps = json.load(f)
 
   def TestRunnerFactory(device, shard_index):
     return test_runner.TestRunner(
         test_options, device, shard_index, len(all_devices),
         steps_dict, flaky_steps)
 
   return (TestRunnerFactory, sorted_step_names, all_devices)