new_contents: # 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.
  
  import os
  import subprocess
  
  from telemetry.core import util
  from telemetry.core.backends.chrome import android_browser_finder
  from telemetry.core.platform import profiler
  
  class AndroidScreenRecordingProfiler(profiler.Profiler):
    """Captures a screen recording on Android."""
  
    def __init__(self, browser_backend, platform_backend, output_path, state):
      super(AndroidScreenRecordingProfiler, self).__init__(
          browser_backend, platform_backend, output_path, state)
      self._output_path = output_path + '.mp4'
      self._recorder = subprocess.Popen(
          [os.path.join(util.GetChromiumSrcDir(), 'build', 'android',
                        'screenshot.py'), '--video', '--output',
           self._output_path], stdin=subprocess.PIPE, stdout=subprocess.PIPE)
  
    @classmethod
    def name(cls):
      return 'android-screen-recorder'
  
    @classmethod
    def is_supported(cls, browser_type):
      if browser_type == 'any':
        return android_browser_finder.CanFindAvailableBrowsers()
      return browser_type.startswith('android')
  
    def CollectProfile(self):
      self._recorder.communicate(input='\n')
      self._recorder.wait()
  
      print 'Screen recording saved as %s' % self._output_path
      print 'To view, open in Chrome or a video player'
      return [self._output_path]
  
subject: Add screen recording tool