telemetry: Replace mostly_smooth by percentage_smooth.

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 metrics import power
 from telemetry.core import exceptions
 from telemetry.core import wpr_modes
 from telemetry.page import page
@@ skipping 98 matching lines @@
     self.assertGreater(frame_times[0].GetRepresentativeNumber(), 0)
 
     mean_frame_time = results.FindAllPageSpecificValuesNamed('mean_frame_time')
     self.assertEquals(len(mean_frame_time), 1)
     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)
+    percentage_smooth = results.FindAllPageSpecificValuesNamed(
+        'percentage_smooth')
+    self.assertEquals(len(percentage_smooth), 1)
+    self.assertGreaterEqual(percentage_smooth[0].GetRepresentativeNumber(), 0)
 
     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_input_event_latency[0].GetRepresentativeNumber(), 0)
 
   @test.Disabled('mac', 'chromeos')  # http://crbug.com/403903
   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)
+    percentage_smooth = results.FindAllPageSpecificValuesNamed(
+        'percentage_smooth')
+    self.assertEquals(len(percentage_smooth), 1)
+    self.assertGreaterEqual(percentage_smooth[0].GetRepresentativeNumber(), 0)
 
   def testCleanUpTrace(self):
     self.TestTracingCleanedUp(smoothness.Smoothness, self._options)
 
   def testCleanUpPowerMetric(self):
     class FailPage(page.Page):
       def __init__(self, page_set):
         super(FailPage, self).__init__(
             url='file://blank.html',
             page_set=page_set, base_dir=page_set.base_dir)
@@ skipping 18 matching lines @@
         self.fake_power = self._power_metric = FakePowerMetric(platform)
 
     measurement = BuggyMeasurement()
     try:
       self.RunMeasurement(measurement, ps)
     except page_test.TestNotSupportedOnPlatformFailure:
       pass
 
     self.assertTrue(measurement.fake_power.start_called)
     self.assertTrue(measurement.fake_power.stop_called)