Telemetry Test for WebRTC Rendering.

tools/telemetry/telemetry/web_perf/timeline_based_measurement.py

Index: tools/telemetry/telemetry/web_perf/timeline_based_measurement.py
diff --git a/tools/telemetry/telemetry/web_perf/timeline_based_measurement.py b/tools/telemetry/telemetry/web_perf/timeline_based_measurement.py
index d524939053eb076943e125f1c217b5b75f9a0d87..8d411c7cd3e46dcefb1507ab2916c2973dc41ded 100644
--- a/tools/telemetry/telemetry/web_perf/timeline_based_measurement.py
+++ b/tools/telemetry/telemetry/web_perf/timeline_based_measurement.py
@@ -9,6 +9,7 @@ from telemetry.timeline import tracing_category_filter
 from telemetry.timeline import tracing_options
 from telemetry.value import trace
 from telemetry.web_perf.metrics import blob_timeline
+from telemetry.web_perf.metrics import webrtc_rendering_timeline
 from telemetry.web_perf.metrics import gpu_timeline
 from telemetry.web_perf.metrics import layout
 from telemetry.web_perf.metrics import memory_timeline
@@ -37,11 +38,13 @@ def _GetAllTimelineBasedMetrics():
   # TODO(nednguyen): use discovery pattern to return all the instances of
   # all TimelineBasedMetrics class in web_perf/metrics/ folder.
   # This cannot be done until crbug.com/460208 is fixed.
+  print "In TBM module base"
   return (smoothness.SmoothnessMetric(),
           responsiveness_metric.ResponsivenessMetric(),
           layout.LayoutMetric(),
           gpu_timeline.GPUTimelineMetric(),
           blob_timeline.BlobTimelineMetric(),
+          webrtc_rendering_timeline.WebRtcRenderingTimelineMetric(),
           memory_timeline.MemoryTimelineMetric())