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

tools/perf/benchmarks/speedometer.py

Index: tools/perf/benchmarks/speedometer.py
diff --git a/tools/perf/benchmarks/speedometer.py b/tools/perf/benchmarks/speedometer.py
index 8af1db18b458039e3649c78cbc3537e0ea201dda..b4b12bfd18777f9c71c28aedc43375c889b86008 100644
--- a/tools/perf/benchmarks/speedometer.py
+++ b/tools/perf/benchmarks/speedometer.py
@@ -56,7 +56,7 @@ class SpeedometerMeasurement(legacy_page_test.LegacyPageTest):
     if tab.browser.platform.GetOSName() == 'android':
       iterationCount = 3
 
-    tab.ExecuteJavaScript2("""
+    tab.ExecuteJavaScript("""
         // Store all the results in the benchmarkClient
         benchmarkClient._measuredValues = []
         benchmarkClient.didRunSuites = function(measuredValues) {
@@ -67,19 +67,19 @@ class SpeedometerMeasurement(legacy_page_test.LegacyPageTest):
         startTest();
         """,
         count=iterationCount)
-    tab.WaitForJavaScriptCondition2(
+    tab.WaitForJavaScriptCondition(
         'benchmarkClient._finishedTestCount == benchmarkClient.testsCount',
         timeout=600)
     results.AddValue(list_of_scalar_values.ListOfScalarValues(
         page, 'Total', 'ms',
-        tab.EvaluateJavaScript2('benchmarkClient._timeValues'),
+        tab.EvaluateJavaScript('benchmarkClient._timeValues'),
         important=True))
 
     # Extract the timings for each suite
     for suite_name in self.enabled_suites:
       results.AddValue(list_of_scalar_values.ListOfScalarValues(
           page, suite_name, 'ms',
-          tab.EvaluateJavaScript2("""
+          tab.EvaluateJavaScript("""
               var suite_times = [];
               for(var i = 0; i < benchmarkClient.iterationCount; i++) {
                 suite_times.push(