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
+
+WIDTH = 1280

[phoglund_chromium, 2015/09/17 11:23:58]

Since you're just using these constants once I think you might as well inline
them for simplicity.

[cpaulin (no longer in chrome), 2015/09/17 23:58:54]

Done.

+HEIGHT = 720
+
+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')
+    self.webrtc_rendering = True

[phoglund_chromium, 2015/09/17 11:23:58]

What is this used for?

[cpaulin (no longer in chrome), 2015/09/17 23:58:55]

Old artifact from when I did not know what I was doing ;-)

+
+  def RunPageInteractions(self, action_runner):
+    with action_runner.CreateInteraction('Action_Create_PeerConnection',
+                                         repeatable=False):
+      command = 'testCamera([%s, %s]);' % (WIDTH, HEIGHT)
+      action_runner.ExecuteJavaScript(command)
+      action_runner.WaitForJavaScriptCondition('testDone')
+      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__()
+    self.webrtc_rendering = True

[phoglund_chromium, 2015/09/17 11:23:58]

And this?

[cpaulin (no longer in chrome), 2015/09/17 23:58:54]

Done.

+
+    url = ('file://../../../chrome/test/data/webrtc_rendering/'
+           'loopback_peerconnection.html')
+    self.AddStory(WebrtcRenderingPage(url, self))