WebRTC: Add a TBMv2 version of the webrtc.webrtc_smoothness benchmark.

tools/perf/benchmarks/webrtc.py

 # Copyright 2014 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.
 
 from core import perf_benchmark
 
 from measurements import webrtc
 import page_sets
 from telemetry import benchmark
 from telemetry.timeline import chrome_trace_category_filter
@@ skipping 73 matching lines @@
         [webrtc_rendering_timeline.WebRtcRenderingTimelineMetric()])
     return options
 
   def SetExtraBrowserOptions(self, options):
     options.AppendExtraBrowserArgs('--use-fake-device-for-media-stream')
     options.AppendExtraBrowserArgs('--use-fake-ui-for-media-stream')
 
   @classmethod
   def Name(cls):
     return 'webrtc.webrtc_smoothness'
+
+
+# WebrtcRenderingTBMv2 must be a PerfBenchmark, and not a _Webrtc, because it is
+# a timeline-based metric.
+class WebrtcRenderingTBMv2(perf_benchmark.PerfBenchmark):
+  """Specific time measurements (e.g. fps, smoothness) for WebRtc rendering."""
+
+  page_set = page_sets.WebrtcRenderingPageSet
+
+  def CreateTimelineBasedMeasurementOptions(self):
+    category_filter = chrome_trace_category_filter.ChromeTraceCategoryFilter(
+        filter_string='webrtc,webkit.console,blink.console')

[nednguyen, 2017/03/14 19:33:01]

filter_string='webrtc,webkit.console,toplevel'

+    options = timeline_based_measurement.Options(category_filter)
+    options.SetTimelineBasedMetrics(['webrtcRenderingMetric'])

[nednguyen, 2017/03/14 19:33:01]

options.SetTimelineBasedMetrics(['webrtcRenderingMetric', 'cpuMetric'])

+    return options
+
+  def SetExtraBrowserOptions(self, options):
+    options.AppendExtraBrowserArgs('--use-fake-device-for-media-stream')
+    options.AppendExtraBrowserArgs('--use-fake-ui-for-media-stream')
+
+  @classmethod
+  def Name(cls):
+    return 'webrtc.webrtc_smoothness_tbmv2'