Create separate telemetry media-perf ChromeOS benchmarks for 4k and non-4k content.

tools/perf/benchmarks/media.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.
 
 from telemetry import test
 from telemetry.page import page_measurement
 
 from measurements import media
 
 
@@ skipping 20 matching lines @@
   test = media.Media
   page_set = 'page_sets/media_cns_cases.json'
 
 class MediaAndroid(test.Test):
   """Obtains media metrics for key user scenarios on Android."""
   test = media.Media
   tag = 'android'
   page_set = 'page_sets/tough_video_cases.json'
   # Exclude 4k and 50 fps media files (garden* & crowd*).
   options = {
       'page_filter_exclude': '.*(crowd|garden).*'

[shadi1, 2014/01/31 17:50:39]

Can we update this to use labels for consistency?

[anandc, 2014/01/31 17:58:47]

Done.

   }
 
+class MediaChromeOSLowEnd(test.Test):
+  """Obtains media metrics for key user scenarios on less powerful
+  ChromeOS platforms."""
+  test = media.Media
+  tag = 'chromeOSLowEnd'
+  page_set = 'page_sets/tough_video_cases.json'
+  # Exclude 4K and 50fps test files: crbug/331816
+  options = {
+      'page_label_filter_exclude': '4k,50fps'
+  }
+
 class MediaChromeOS(test.Test):
-  """Obtains media metrics for key user scenarios on ChromeOS."""
+  """Obtains media metrics for key user scenarios on ChromeOS platforms that
+  support HWDecode or are able to play hd/high-res content even with
+  software-decoding."""
   test = media.Media
   tag = 'chromeOS'
   page_set = 'page_sets/tough_video_cases.json'
-  # Exclude crowd* media files (50fps 2160p): crbug/331816
+  # Exclude 50fps test files: crbug/331816
   options = {
-      'page_filter_exclude': '.*crowd.*'
+      'page_label_filter_exclude': '50fps'
   }
 
 class MediaSourceExtensions(test.Test):
   """Obtains media metrics for key media source extensions functions."""
   test = MSEMeasurement
   page_set = 'page_sets/mse_cases.json'
 
   def CustomizeBrowserOptions(self, options):
     # Needed to allow XHR requests to return stream objects.
     options.AppendExtraBrowserArgs(
         ['--enable-experimental-web-platform-features',
          '--disable-gesture-requirement-for-media-playback'])