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

tools/perf/page_sets/key_hit_test_cases.py

Index: tools/perf/page_sets/key_hit_test_cases.py
diff --git a/tools/perf/page_sets/key_hit_test_cases.py b/tools/perf/page_sets/key_hit_test_cases.py
index 955e219b92519012f64cb518c691cc6ec03d2948..d9dd86cd475656170a830edd7d75a6b9784d2032 100644
--- a/tools/perf/page_sets/key_hit_test_cases.py
+++ b/tools/perf/page_sets/key_hit_test_cases.py
@@ -18,7 +18,7 @@ class PaperCalculatorHitTest(polymer.PolymerPage):
 
   def PerformPageInteractions(self, action_runner):
     # pay cost of selecting tap target only once
-    action_runner.ExecuteJavaScript2('''
+    action_runner.ExecuteJavaScript('''
         window.__tapTarget = document.querySelector(
             'body /deep/ #outerPanels'
         ).querySelector(
@@ -26,7 +26,7 @@ class PaperCalculatorHitTest(polymer.PolymerPage):
         ).shadowRoot.querySelector(
             'paper-calculator-key[label="5"]'
         )''')
-    action_runner.WaitForJavaScriptCondition2(
+    action_runner.WaitForJavaScriptCondition(
         'window.__tapTarget != null')
 
     for _ in xrange(100):