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

tools/perf/measurements/blink_style.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.
 
 from collections import defaultdict
 from itertools import starmap
 from telemetry.core import util
 from telemetry.page import legacy_page_test
 from telemetry.value import scalar
 
@@ skipping 12 matching lines @@
     self._controller.trace_categories = 'blink_style,blink.console'
     self._controller.SetUp(page, tab)
     self._controller.Start(tab)
 
   def DidRunPage(self, platform):
     if self._controller:
       self._controller.CleanUp(platform)
 
   def ValidateAndMeasurePage(self, page, tab, results):
     with tab.action_runner.CreateInteraction('wait-for-quiescence'):
-      tab.ExecuteJavaScript2('console.time("");')
+      tab.ExecuteJavaScript('console.time("");')
       try:
         util.WaitFor(tab.HasReachedQuiescence, 15)
       except py_utils.TimeoutException:
         # Some sites never reach quiesence. As this benchmark normalizes/
         # categories results, it shouldn't be necessary to reach the same
         # state on every run.
         pass
 
-    tab.ExecuteJavaScript2('''
+    tab.ExecuteJavaScript('''
         for (var i = 0; i < 11; i++) {
           var cold = i % 2 == 0;
           var name = "update_style";
           if (cold) name += "_cold";
           console.time(name);
           // Occasionally documents will break the APIs we need
           try {
             // On cold runs, force a new StyleResolver
             if (cold) {
               var style = document.createElement("style");
@@ skipping 82 matching lines @@
       tokens = sum(event.tokens for event in events)
       length = sum(event.length for event in events)
 
       results.AddValue(
           scalar.ScalarValue(page, ('parse_css_%s' % category),
                              'tokens/s', 1000 / (parse_duration / tokens)))
 
       results.AddValue(
           scalar.ScalarValue(page, ('tokenize_css_%s' % category),
                              'char/s',  1000 / (tokenize_duration / length)))