Telemetry Test for WebRTC Rendering.

tools/perf/page_sets/webrtc_rendering_measurement.py

+# Copyright 2015 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 telemetry.page import page as page_module
+from telemetry.page import page_test as page_test
+from telemetry import story
+
+
+class WebrtcRenderingPage(page_module.Page):
+
+  def __init__(self, url, page_set):
+    super(WebrtcRenderingPage, self).__init__(
+      url=url,
+      page_set=page_set,
+      name='webrtc_rendering_page')
+
+  def RunPageInteractions(self, action_runner):
+    with action_runner.CreateInteraction('Action_Create_PeerConnection',
+                                         repeatable=False):
+      command = 'testCamera([%s, %s]);' % (1280, 720)
+      action_runner.ExecuteJavaScript(command)
+      action_runner.Wait(30)
+      errors = action_runner.EvaluateJavaScript('errors')
+      if errors:
+        raise page_test.Failure('Errors on page: ' + ', '.join(errors))
+
+
+class WebrtcRenderingPageSet(story.StorySet):
+  """ A benchmark of webrtc rendering performance."""
+
+  def __init__(self):
+    super(WebrtcRenderingPageSet, self).__init__()
+
+    url = ('file://webrtc_rendering/loopback_peerconnection.html')
+    self.AddStory(WebrtcRenderingPage(url, self))