tools/android/loading: Archive tracks in LoadingTrace.

tools/android/loading/tracing_driver.py

-#! /usr/bin/python
-# Copyright 2016 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.
-
-"""Drive TracingConnection"""
-
-import argparse
-import json
-import logging
-import os.path
-import sys
-
-_SRC_DIR = os.path.abspath(os.path.join(
-    os.path.dirname(__file__), '..', '..', '..'))
-
-sys.path.append(os.path.join(_SRC_DIR, 'third_party', 'catapult', 'devil'))
-from devil.android import device_utils
-
-sys.path.append(os.path.join(_SRC_DIR, 'build', 'android'))
-import device_setup
-import page_track
-import tracing
-
-
-def main():
-  logging.basicConfig(level=logging.INFO)
-  parser = argparse.ArgumentParser()
-  parser.add_argument('--url', required=True)
-  parser.add_argument('--output', required=True)
-  args = parser.parse_args()
-  url = args.url
-  if not url.startswith('http'):
-    url = 'http://' + url
-  device = device_utils.DeviceUtils.HealthyDevices()[0]
-  with file(args.output, 'w') as output, \
-       file(args.output + '.page', 'w') as page_output, \
-       device_setup.DeviceConnection(device) as connection:
-    track = tracing.TracingTrack(connection, fetch_stream=False)
-    page = page_track.PageTrack(connection)
-    connection.SetUpMonitoring()
-    connection.SendAndIgnoreResponse('Page.navigate', {'url': url})
-    connection.StartMonitoring()
-    json.dump(page.GetEvents(), page_output, sort_keys=True, indent=2)
-    json.dump(track.GetEvents(), output, sort_keys=True, indent=2)
-
-
-if __name__ == '__main__':
-  main()