Implement --browser=<perf trybot>

tools/telemetry/telemetry/page/page_runner.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.
 
 import collections
 import logging
 import optparse
 import os
 import random
 import sys
@@ skipping 339 matching lines @@
 
   should_run = decorators.IsEnabled(test, possible_browser)
 
   should_run = should_run or finder_options.run_disabled_tests
 
   if not should_run:
     logging.warning('You are trying to run a disabled test.')
     logging.warning('Pass --also-run-disabled-tests to squelch this message.')
     return
 
+  if possible_browser.IsRemote():
+    possible_browser.RunRemote()
+    sys.exit(0)
+
   # Reorder page set based on options.
   pages = _ShuffleAndFilterPageSet(page_set, finder_options)
 
   if (not finder_options.use_live_sites and
       browser_options.wpr_mode != wpr_modes.WPR_RECORD):
     _UpdatePageSetArchivesIfChanged(page_set)
     pages = _CheckArchives(page_set, pages, results)
 
   # Verify credentials path.
   credentials_path = None
@@ skipping 197 matching lines @@
     logging.warning('Device is thermally throttled before running '
                     'performance tests, results will vary.')
 
 
 def _CheckThermalThrottling(platform):
   if not platform.CanMonitorThermalThrottling():
     return
   if platform.HasBeenThermallyThrottled():
     logging.warning('Device has been thermally throttled during '
                     'performance tests, results will vary.')