[Telemetry] Rename RunSmoothness to RunPageInteractions

tools/perf/page_sets/intl_ja_zh.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 page_set as page_set_module
 
 
 class IntlJaZhPage(page_module.Page):
 
   def __init__(self, url, page_set):
     super(IntlJaZhPage, self).__init__(url=url, page_set=page_set)
     self.user_agent_type = 'desktop'
     self.archive_data_file = 'data/intl_ja_zh.json'
 
-  def RunSmoothness(self, action_runner):
+  def RunPageInteractions(self, action_runner):
     interaction = action_runner.BeginGestureInteraction(
         'ScrollAction', is_smooth=True)
     action_runner.ScrollPage()
     interaction.End()
 
 
 class IntlJaZhPageSet(page_set_module.PageSet):
 
   """ Popular pages in Japanese and Chinese. """
 
@@ skipping 29 matching lines @@
       'http://www.sina.com.cn/',
       # Why: #5 Chinese site
       # pylint: disable=C0301
       'http://www.google.com.hk/#q=%E9%82%84%E6%8F%90%E4%BE%9B&fp=c44d333e710cb480',
       'http://udn.com/NEWS/mainpage.shtml',
       'http://ruten.com.tw/'
     ]
 
     for url in urls_list:
       self.AddUserStory(IntlJaZhPage(url, self))