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

tools/perf/profile_creators/fast_navigation_profile_extender.py

 # Copyright 2015 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.
 import time
 
 from profile_creators import profile_extender
 from telemetry.core import exceptions
 from telemetry.core import util
 
 
@@ skipping 102 matching lines @@
   def _RemoveNavigationTab(self, tab):
     """Removes a tab which is no longer in a useable state from
     self._navigation_tabs. The tab is not removed from self.browser.tabs,
     since there is no guarantee that the tab can be safely removed."""
     self._navigation_tabs.remove(tab)
 
   def _RetrieveTabUrl(self, tab, timeout):
     """Retrives the URL of the tab."""
     # TODO(erikchen): Use tab.url instead, which talks to the browser process
     # instead of the renderer process. http://crbug.com/486119
-    return tab.EvaluateJavaScript2('document.URL', timeout=timeout)
+    return tab.EvaluateJavaScript('document.URL', timeout=timeout)
 
   def _WaitForUrlToChange(self, tab, initial_url, end_time):
     """Waits for the tab to navigate away from its initial url.
 
     If time.time() is larger than end_time, the function does nothing.
     Otherwise, the function tries to return no later than end_time.
     """
     while True:
       seconds_to_wait = end_time - time.time()
       if seconds_to_wait <= 0:
@@ skipping 102 matching lines @@
         tab = self._navigation_tabs[i]
         batch.append((tab, url))
 
       queued_tabs = self._BatchNavigateTabs(batch)
       self._WaitForQueuedTabsToLoad(queued_tabs)
 
       self.CleanUpAfterBatchNavigation()
 
       if self.ShouldExitAfterBatchNavigation():
         break