[Android] Add option to run perf tests in platform mode.

scripts/slave/recipes/android/perf.py

 # 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.
 
 from recipe_engine.types import freeze
 
 
 DEPS = [
     'adb',
     'chromium',
     'chromium_android',
     'chromium_tests',
     'depot_tools/bot_update',
     'depot_tools/gclient',
     'recipe_engine/json',
     'recipe_engine/path',
     'recipe_engine/properties',
     'recipe_engine/python',
     'recipe_engine/step',
     'test_utils',
 ]
 
 
 REPO_URL = 'https://chromium.googlesource.com/chromium/src.git'
 
 def _CreateTestSpec(name, perf_id, required_apks, num_device_shards=1,
                     num_host_shards=1, target_bits=64,
-                    browser_name=None, remove_system_webview=False):
+                    browser_name=None, remove_system_webview=False,
+                    enable_platform_mode=False):
   def _CreateShardTestSpec(name, perf_id, required_apks, num_device_shards,
                            num_host_shards, shard_index, target_bits,
-                           browser_name, remove_system_webview):
+                           browser_name, remove_system_webview,
+                           enable_platform_mode):
     spec = {
       'perf_id': perf_id,
       'required_apks': required_apks,
       'bucket': 'chrome-perf',
       'num_device_shards': num_device_shards,
       'num_host_shards': num_host_shards,
       'shard_index': shard_index,
       'test_spec_file': 'chromium.perf.json',
       'max_battery_temp': 350,
       'known_devices_file': '.known_devices',
       'browser_name': browser_name,
       'remove_system_webview': remove_system_webview,
+      'enable_platform_mode': enable_platform_mode,
     }
     if target_bits == 32:
       builder_name = 'android_perf_rel'
     elif target_bits == 64:
       builder_name = 'android_perf_rel_arm64'
       spec['recipe_config'] = 'tests_arm64'
     spec['path'] = lambda api: '%s/full-build-linux_%s.zip' % (
         builder_name, api.properties['parent_revision'])
     return spec
 
   tester_spec = {}
   for shard_index in xrange(num_host_shards):
     builder_name = '%s (%d)' % (name, shard_index + 1)
     tester_spec[builder_name] = _CreateShardTestSpec(
         name, perf_id, required_apks, num_device_shards, num_host_shards,
-        shard_index, target_bits, browser_name, remove_system_webview)
+        shard_index, target_bits, browser_name, remove_system_webview,
+        enable_platform_mode)
   return tester_spec
 
 def _ChromiumPerfTesters():
   testers = [
     _CreateTestSpec('Android Galaxy S5 Perf', 'android-galaxy-s5',
         required_apks=['ChromePublic.apk'], num_device_shards=7,
         num_host_shards=3, target_bits=32),
     _CreateTestSpec('Android Nexus5 Perf', 'android-nexus5',
         required_apks=['ChromePublic.apk'], num_device_shards=7,
         num_host_shards=3, target_bits=32),
@@ skipping 99 matching lines @@
         test_runner()
       except api.step.StepFailure as f:
         failures.append(f)
 
     dynamic_perf_tests = api.chromium_tests.steps.DynamicPerfTests(
         builder['perf_id'], 'android', None,
         max_battery_temp=builder.get('max_battery_temp'),
         num_device_shards=builder['num_device_shards'],
         num_host_shards=builder.get('num_host_shards', 1),
         shard_index=builder.get('shard_index', 0),
-        override_browser_name=builder.get('browser_name'))
+        override_browser_name=builder.get('browser_name'),
+        enable_platform_mode=builder.get('enable_platform_mode'))
     dynamic_perf_tests.run(api, None)
 
     if failures:
       raise api.step.StepFailure('src-side perf tests failed %s' % failures)
   finally:
     api.chromium_android.common_tests_final_steps(
         logcat_gs_bucket='chromium-android')
 
 
 def _sanitize_nonalpha(text):
@@ skipping 88 matching lines @@
           mastername='chromium.perf',
           buildername='Android Nexus5 Perf (1)',
           parent_buildername='parent_buildername',
           parent_buildnumber='1729',
           parent_revision='deadbeef',
           revision='deadbeef',
           slavename='slavename',
           target='Release') +
       api.override_step_data(
           'perf_test.foo', retcode=87))