Remove repaint's reliance on auto issuing marker feature of smoothness_controller

tools/perf/page_sets/key_mobile_sites_repaint.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
 
 from page_sets import key_mobile_sites_pages
 
 
 def _RepaintContinously(action_runner):
-  action_runner.RepaintContinuously(seconds=5)
+  with action_runner.CreateInteraction('Repaint'):
+    action_runner.RepaintContinuously(seconds=5)
 
 
 def _CreatePageClassWithRepaintInteractions(page_cls):
   class DerivedRepaintPage(page_cls):  # pylint: disable=W0232
 
     def RunPageInteractions(self, action_runner):
       _RepaintContinously(action_runner)
   return DerivedRepaintPage
 
 
@@ skipping 154 matching lines @@
       ('http://www.baidu.com/s?wd=barack+obama&rsv_bp=0&rsv_spt=3&rsv_sug3=9&'
        'rsv_sug=0&rsv_sug4=3824&rsv_sug1=3&inputT=4920'),
       # Why: Top search engine
       'http://www.bing.com/search?q=sloths',
       # Why: Good example of poor initial scrolling
       'http://ftw.usatoday.com/2014/05/spelling-bee-rules-shenanigans'
     ]
 
     for url in urls_list:
       self.AddUserStory(KeyMobileSitesRepaintPage(url, self))