Support total and per-second task/threadtime timeline metrics

tools/perf/measurements/thread_times_unittest.py

Index: tools/perf/measurements/thread_times_unittest.py
diff --git a/tools/perf/measurements/thread_times_unittest.py b/tools/perf/measurements/thread_times_unittest.py
index a6a2426e265ec0c1a44a71bef1a25da6ddf1f7e3..89a5b079b91dd7d2969e11385f2d07f1a8e9700f 100644
--- a/tools/perf/measurements/thread_times_unittest.py
+++ b/tools/perf/measurements/thread_times_unittest.py
@@ -69,3 +69,18 @@ class ThreadTimesUnitTest(page_test_test_case.PageTestTestCase):
 
   def testCleanUpTrace(self):
     self.TestTracingCleanedUp(thread_times.ThreadTimes, self._options)
+
+  def testBasicForTotalThreadTime(self):
+    ps = self.CreateEmptyPageSet()
+    ps.AddUserStory(AnimatedPage(ps))
+
+    per_frame=False
+    measurement = thread_times.ThreadTimes(measure_per_frame=per_frame)
+    timeline_options = self._options
+    results = self.RunMeasurement(measurement, ps, options = timeline_options)
+    self.assertEquals(0, len(results.failures))
+
+    for category in timeline.TimelineThreadCategories.values():
+      cpu_time_name = timeline.ThreadCpuTimeResultName(category, per_frame)
+      cpu_time = results.FindAllPageSpecificValuesNamed(cpu_time_name)
+      self.assertEquals(len(cpu_time), 1)