[Telemetry refactor] Drop "2" from method calls to JS API

tools/perf/page_sets/typical_10_mobile.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.
 from telemetry.page import page as page_module
 from telemetry.page import shared_page_state
 from telemetry import story
 
 
 class Typical10MobilePage(page_module.Page):
 
@@ skipping 11 matching lines @@
 
 class Typical10MobileReloadPage(Typical10MobilePage):
 
   def __init__(self, url, page_set, name=''):
     super(Typical10MobileReloadPage, self).__init__(
         url=url, page_set=page_set, name=name,)
 
   def RunPageInteractions(self, action_runner):
     for _ in range(0, 5):
       action_runner.ReloadPage()
-      action_runner.WaitForJavaScriptCondition2(
+      action_runner.WaitForJavaScriptCondition(
           'document.readyState === "complete"')
 
 
 urls_list = [
     # Why: Top site
     'http://m.facebook.com/barackobama',
     # Why: Wikipedia article with lots of pictures, German language
     'http://de.m.wikipedia.org/wiki/K%C3%B6lner_Dom',
     # Why: current top Q&A on popular Japanese site
     'http://m.chiebukuro.yahoo.co.jp/detail/q10136829180',
@@ skipping 28 matching lines @@
 class Typical10MobileReloadPageSet(story.StorySet):
   """10 typical mobile pages, used for reloading power testing."""
 
   def __init__(self):
     super(Typical10MobileReloadPageSet, self).__init__(
         archive_data_file='data/typical_10_mobile.json',
         cloud_storage_bucket=story.PARTNER_BUCKET)
 
     for url in urls_list:
       self.AddStory(Typical10MobileReloadPage(url, self))