BrowserOptions.extra_browser_args is now a set.

content/test/gpu/gpu_tests/webgl_conformance.py

 # Copyright (c) 2012 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 json
 import os
 import sys
 
 import webgl_conformance_expectations
 
 from telemetry import test as test_module
@@ skipping 41 matching lines @@
 
 class WebglConformanceValidator(page_test.PageTest):
   def __init__(self):
     super(WebglConformanceValidator, self).__init__('ValidatePage')
 
   def ValidatePage(self, page, tab, results):
     if not _DidWebGLTestSucceed(tab):
       raise page_test.Failure(_WebGLTestMessages(tab))
 
   def CustomizeBrowserOptions(self, options):
-    options.AppendExtraBrowserArg(
+    options.AppendExtraBrowserArgs(
         '--disable-gesture-requirement-for-media-playback')
 
 
 class WebglConformance(test_module.Test):
   """Conformance with Khronos WebGL Conformance Tests"""
   enabled = False
   test = WebglConformanceValidator
 
   def CreatePageSet(self, options):
     tests = self._ParseTests('00_test_list.txt', '1.0.1')
@@ skipping 64 matching lines @@
 
         if '.txt' in test_name:
           include_path = os.path.join(current_dir, test_name)
           test_paths += WebglConformance._ParseTests(
             include_path, version)
         else:
           test = os.path.join(current_dir, test_name)
           test_paths.append(test)
 
     return test_paths