Modify list_system_health_stories to generate_system_health_csv

tools/perf/page_sets/system_health/media_stories.py

 # 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.
 
 from page_sets.system_health import platforms
 from page_sets.system_health import system_health_story
 
 from page_sets.login_helpers import google_login
 from page_sets.login_helpers import pandora_login
 
@@ skipping 40 matching lines @@
     return int(minutes * 60 + seconds)
 
 
 ################################################################################
 # Audio stories.
 ################################################################################
 
 
 @benchmark.Disabled('all')  # crbug.com/649392
 class GooglePlayMusicDesktopStory(_MediaStory):
+  """Browse the songs list in music.google.com, then play a song."""
   NAME = 'play:media:google_play_music'
   URL = 'https://music.google.com'
 
   PLAY_SELECTOR = '.x-scope.paper-fab-0'
   STOP_SELECTOR = '.style-scope.sj-play-button'
   TIME_SELECTOR = '#time-container-current'
   SEARCH_SELECTOR = '.title.fade-out.tooltip'
   NAVIGATE_SELECTOR = '.description.tooltip.fade-out'
 
   def _Login(self, action_runner):
     google_login.LoginGoogleAccount(action_runner, 'googletest',
                                     self.credentials_path)
 
   def _NavigateToMedia(self, action_runner):
     # Clicks on Today's top hits.
     action_runner.Wait(1)  # Add 1 second wait to make the browsing realistic.
     self._WaitForAndClickElementBySelector(action_runner, self.SEARCH_SELECTOR)
     # Clicks on playlist.
     action_runner.Wait(1)  # Add 1 second wait to make the browsing realistic.
     self._WaitForAndClickElementBySelector(action_runner,
                                            self.NAVIGATE_SELECTOR)
 
 
 @benchmark.Disabled('win')  # crbug.com/649392
 class SoundCloudDesktopStory(_MediaStory):
+  """Load soundcloud.com, search for "Smooth Jazz", then play a song."""
   NAME = 'play:media:soundcloud'
   URL = 'https://soundcloud.com'
 
   PLAY_SELECTOR = '.sc-button-play.playButton.sc-button.sc-button-xlarge'
   STOP_SELECTOR = '.playControl.playControls__icon.sc-ir.playing'
   TIME_SELECTOR = '.playbackTimeline__timePassed>span[aria-hidden=true]'
   SEARCH_SELECTOR = '.headerSearch'
   SEARCH_QUERY = 'SSmooth Jazz'  # First S for some reason gets ommited.
 
   def _NavigateToMedia(self, action_runner):
     self._WaitForAndClickElementBySelector(action_runner, self.SEARCH_SELECTOR)
     action_runner.Wait(1)  # Add 1 second wait to make the browsing realistic.
     action_runner.EnterText(self.SEARCH_QUERY)
     action_runner.PressKey('Return')
 
 
 @decorators.Disabled('all')  # crbug.com/649392
 class PandoraDesktopStory(_MediaStory):
+  """Load pandora.com, then play a song."""
   NAME = 'play:media:pandora'
   URL = 'https://pandora.com'
 
   PLAY_SELECTOR = None
   STOP_SELECTOR = '.pauseButton'
   TIME_SELECTOR = '.elapsedTime'
   SEARCH_SELECTOR = '.searchInput'
 
   def _Login(self, action_runner):
     pandora_login.LoginAccount(action_runner, 'pandora', self.credentials_path)
 
   def _NavigateToMedia(self, action_runner):
     pass  # Audio autoplays on Pandora, no need to search.