Disabled media.tough_video_cases on XP

tools/perf/benchmarks/media.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 telemetry import benchmark
 from telemetry.page import page_test
 from telemetry.value import list_of_scalar_values
 from telemetry.value import scalar
 
 from measurements import media
@@ skipping 38 matching lines @@
   """Obtains media metrics under different network simulations."""
   test = media.Media
   page_set = page_sets.MediaCnsCasesPageSet
 
   @classmethod
   def Name(cls):
     return 'media.media_cns_cases'
 
 
 @benchmark.Enabled('android')
-@benchmark.Disabled('l', 'android-webview') # WebView: crbug.com/419689
+# WebView: crbug.com/419689
+# XP: crbug.com/475191
+@benchmark.Disabled('l', 'android-webview', 'xp')
 class MediaAndroid(benchmark.Benchmark):
   """Obtains media metrics for key user scenarios on Android."""
   test = media.Media
   tag = 'android'
   page_set = page_sets.ToughVideoCasesPageSet
   # Exclude is_4k and 50 fps media files (garden* & crowd*).
   options = {'story_label_filter_exclude': 'is_4k,is_50fps'}
 
   @classmethod
   def Name(cls):
@@ skipping 44 matching lines @@
 
   @classmethod
   def Name(cls):
     return 'media.mse_cases'
 
   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'])