Unblock Catapult rolls.

content/test/gpu/gpu_tests/webgl_conformance_expectations_unittest.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.
 import collections
 import itertools
 import os
 import unittest
 
 from telemetry.testing import fakes
 
@@ skipping 14 matching lines @@
 
   def GetArchName(self):
     return 'x86_64'
 
   def GetOSName(self):
     return 'win'
 
   def GetOSVersionName(self):
     return 'win8'
 
+  def GetOSVersionDetailString(self):
+    # Not sure whether this is accurate.
+    return 'Windows 8.1'
+
 
 class WebGLTestInfo(object):
   def __init__(self, url):
     self.name = ('WebglConformance_%s' %
                  url.replace('/', '_').replace('-', '_').
                  replace('\\', '_').rpartition('.')[0].replace('.', '_'))
     self.url = 'file://' + url
 
 Conditions = collections.\
   namedtuple('Conditions', ['non_gpu', 'vendors', 'devices'])
@@ skipping 97 matching lines @@
         conflicts = non_gpu_conflicts and gpu_conflicts
 
         if conflicts:
           print "WARNING: Found a conflict for", pattern, " :"
           print "  ", c1
           print "  ", c2
 
           print "  Type:" + (" (non-gpu)" if non_gpu_conflicts else "") + \
             (" (gpu)" if gpu_conflicts else "")
         self.assertEquals(conflicts, False)