Add background stories to MobileSystemHealth

tools/perf/page_sets/system_health/loading_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 dropbox_login
 from page_sets.login_helpers import google_login
 
@@ skipping 273 matching lines @@
   def _Login(self, action_runner):
     google_login.LoginGoogleAccount(action_runner, 'googletest',
                                     self.credentials_path)
 
     # Navigating to https://mail.google.com immediately leads to an infinite
     # redirection loop due to a bug in WPR (see
     # https://github.com/chromium/web-page-replay/issues/70). We therefore first
     # navigate to a sub-URL to set up the session and hit the resulting
     # redirection loop. Afterwards, we can safely navigate to
     # https://mail.google.com.
+    action_runner.tab.WaitForDocumentReadyStateToBeComplete()
     action_runner.Navigate(
         'https://mail.google.com/mail/mu/mp/872/trigger_redirection_loop')
     action_runner.tab.WaitForDocumentReadyStateToBeComplete()
 
 
 class LoadGmailDesktopStory(_LoadGmailBaseStory):
   SUPPORTED_PLATFORMS = platforms.DESKTOP_ONLY
 
   def _DidLoadDocument(self, action_runner):
     # Wait until the UI loads.
     action_runner.WaitForJavaScriptCondition(
         'document.getElementById("loading").style.display === "none"')
 
 class LoadGmailMobileStory(_LoadGmailBaseStory):
   SUPPORTED_PLATFORMS = platforms.MOBILE_ONLY
 
   def _DidLoadDocument(self, action_runner):
-    # Close the "Get Inbox by Gmail" interstitial.
-    action_runner.WaitForJavaScriptCondition(
-        'document.querySelector("#isppromo a") !== null')
-    action_runner.ExecuteJavaScript(
-        'document.querySelector("#isppromo a").click()')
     # Wait until the UI loads.
+    action_runner.WaitForElement('#apploadingdiv')
     action_runner.WaitForJavaScriptCondition(
         'document.getElementById("apploadingdiv").style.height === "0px"')
 
-
 class LoadMapsStory(_LoadingStory):
   NAME = 'load:tools:maps'
   URL = 'https://www.google.com/maps/place/London,+UK/'
 
 
 class LoadStackOverflowStory(_LoadingStory):
   NAME = 'load:tools:stackoverflow'
   URL = (
       'https://stackoverflow.com/questions/36827659/compiling-an-application-for-use-in-highly-radioactive-environments')
 
@@ skipping 58 matching lines @@
   NAME = 'load:games:miniclip'
   # Using "https://" causes "404 Not Found" during WPR recording.
   URL = 'http://www.miniclip.com/games/en/'
   SUPPORTED_PLATFORMS = platforms.DESKTOP_ONLY  # Requires Flash.
 
 
 class LoadAlphabettyStory(_LoadingStory):
   NAME = 'load:games:alphabetty'
   URL = 'https://king.com/play/alphabetty'
   SUPPORTED_PLATFORMS = platforms.DESKTOP_ONLY  # Requires Flash.