[telemetry] Add TodoMVC examples based test for V8 to telemetry

tools/perf/benchmarks/v8.py

Index: tools/perf/benchmarks/v8.py
diff --git a/tools/perf/benchmarks/v8.py b/tools/perf/benchmarks/v8.py
index 1215877042196f47ab5b722a0ba5c80ab71325e0..aebdf646ae594c615929f0066a691961d415d370 100644
--- a/tools/perf/benchmarks/v8.py
+++ b/tools/perf/benchmarks/v8.py
@@ -118,3 +118,22 @@ class V8InfiniteScroll(perf_benchmark.PerfBenchmark):
   @classmethod
   def ShouldTearDownStateAfterEachStoryRun(cls):
     return True
+
+
+class V8TodoMVC(perf_benchmark.PerfBenchmark):
+  """Measures V8 Execution metrics on the TodoMVC examples."""
+  page_set = page_sets.TodoMVCPageSet
+
+  def CreateTimelineBasedMeasurementOptions(self):
+    category_filter = tracing_category_filter.TracingCategoryFilter('v8')
+    options = timeline_based_measurement.Options(category_filter)
+    options.SetLegacyTimelineBasedMetrics([v8_execution.V8ExecutionMetric()])
+    return options
+
+  @classmethod
+  def Name(cls):
+    return 'v8.todomvc'
+
+  @classmethod
+  def ShouldTearDownStateAfterEachStoryRun(cls):
+    return True

[Sami, 2016/03/09 18:39:02]

Any particular reason for restarting? It probably makes sense for the memory
cases above but not sure about the numbers you're collecting here.

[jochen (gone - plz use gerrit), 2016/03/09 18:44:42]

using the same renderer will result in some of the stuff coming from the memory
cache, eg. I'd expect that the analytics scripts on all those pages eventually
will come out of the compilation cache.