[chromedriver] Stop supporting chrome 26. Don't run tests against it.

chrome/test/chromedriver/run_py_tests.py

 #!/usr/bin/env python
 # 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.
 
 """End to end tests for ChromeDriver."""
 
 import base64
 import optparse
 import os
@@ skipping 54 matching lines @@
         # Desktop doesn't support TAP.
         'ChromeDriverTest.testSingleTapElement',
     ]
 )
 _DESKTOP_NEGATIVE_FILTER['28'] = (
     _DESKTOP_NEGATIVE_FILTER['HEAD'] + []
 )
 _DESKTOP_NEGATIVE_FILTER['27'] = (
     _DESKTOP_NEGATIVE_FILTER['HEAD'] + []
 )
-_DESKTOP_NEGATIVE_FILTER['26'] = (
-    _DESKTOP_NEGATIVE_FILTER['HEAD'] + []
-)
 
 
 _ANDROID_NEGATIVE_FILTER = {}
 _ANDROID_NEGATIVE_FILTER['com.google.android.apps.chrome'] = (
     _DESKTOP_NEGATIVE_FILTER['HEAD'] + [
         # Android doesn't support switches and extensions.
         'ChromeSwitchesCapabilityTest.*',
         'ChromeExtensionsCapabilityTest.*',
         # https://code.google.com/p/chromedriver/issues/detail?id=262
         'ChromeDriverTest.testCloseWindow',
@@ skipping 562 matching lines @@
       negative_filter = _DESKTOP_NEGATIVE_FILTER[options.chrome_version]
     options.filter = '*-' + ':__main__.'.join([''] + negative_filter)
 
   all_tests_suite = unittest.defaultTestLoader.loadTestsFromModule(
       sys.modules[__name__])
   tests = unittest_util.FilterTestSuite(all_tests_suite, options.filter)
   ChromeDriverTest.GlobalSetUp()
   result = unittest.TextTestRunner(stream=sys.stdout, verbosity=2).run(tests)
   ChromeDriverTest.GlobalTearDown()
   sys.exit(len(result.failures) + len(result.errors))