Report only one input latency metric mean_input_event_latency

tools/perf/measurements/smoothness_unittest.py

 # Copyright 2013 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.
 import sys
 
 from measurements import smoothness
 from telemetry.core import wpr_modes
 from telemetry.page import page
 from telemetry.page import page_measurement_unittest_base
 # pylint: disable=W0401,W0614
@@ skipping 88 matching lines @@
     self.assertGreater(mean_frame_time[0].GetRepresentativeNumber(), 0)
 
     jank = results.FindAllPageSpecificValuesNamed('jank')
     self.assertEquals(len(jank), 1)
     self.assertGreater(jank[0].GetRepresentativeNumber(), 0)
 
     mostly_smooth = results.FindAllPageSpecificValuesNamed('mostly_smooth')
     self.assertEquals(len(mostly_smooth), 1)
     self.assertGreaterEqual(mostly_smooth[0].GetRepresentativeNumber(), 0)
 
-    mean_mouse_wheel_latency = results.FindAllPageSpecificValuesNamed(
-        'mean_mouse_wheel_latency')
-    if mean_mouse_wheel_latency:
-      self.assertEquals(len(mean_mouse_wheel_latency), 1)
+    mean_input_event_latency = results.FindAllPageSpecificValuesNamed(
+        'mean_input_event_latency')
+    if mean_input_event_latency:
+      self.assertEquals(len(mean_input_event_latency), 1)
       self.assertGreater(
-          mean_mouse_wheel_latency[0].GetRepresentativeNumber(), 0)
-
-    mean_touch_scroll_latency = results.FindAllPageSpecificValuesNamed(
-        'mean_touch_scroll_latency')
-    if mean_touch_scroll_latency:
-      self.assertEquals(len(mean_touch_scroll_latency), 1)
-      self.assertGreater(
-          mean_touch_scroll_latency[0].GetRepresentativeNumber(), 0)
+          mean_input_event_latency[0].GetRepresentativeNumber(), 0)
 
   def testSmoothnessForPageWithNoGesture(self):
     ps = self.CreateEmptyPageSet()
     ps.AddPage(AnimatedPage(ps))
 
     measurement = smoothness.Smoothness()
     results = self.RunMeasurement(measurement, ps, options=self._options)
     self.assertEquals(0, len(results.failures))
 
     mostly_smooth = results.FindAllPageSpecificValuesNamed('mostly_smooth')
     self.assertEquals(len(mostly_smooth), 1)
     self.assertGreaterEqual(mostly_smooth[0].GetRepresentativeNumber(), 0)
 
   def testCleanUpTrace(self):
     self.TestTracingCleanedUp(smoothness.Smoothness, self._options)