Disabling some failing pyauto tests while I investigate

chrome/test/functional/PYAUTO_TESTS

 # Copyright (c) 2011 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.
 #
 # This file lists the pyauto tests that run as a part of the functional test
 # suite.
 #
 # Tests can be enabled on a per-platform basis. Tests not listed here will
 # not be run.
 #
@@ skipping 92 matching lines @@
       # crbug.com/47935
       '-popups.PopupsTest.testBlockedPopupNotShowInHistory',
       # crbug.com/83827
       '-popups.PopupsTest.testUnblockedPopupShowsInHistory',
       '-popups.PopupsTest.testUnblockedPopupAddedToOmnibox',
       # crbug.com/85600
       '-prefs.PrefsTest.testNavigationStateOnSessionRestore',
       # Flaky: crbug.com/67851
       '-special_tabs.SpecialTabsTest.testAboutDNSTab',
       '-sync',  # causes browser crash. crbug.com/84494
+      # Bad webkit roll? crbug.com/86397
+      '-autofill.AutofillTest.testWhitespacesAndSeparatorCharsStrippedForValidCCNums',
+      '-autofill.AutofillTest.testAggregatesMinValidProfile',
+      '-notifications',
     ],
 
     'win': [
       # ==================================================
       # Disabled tests that need to be investigated/fixed.
       # ==================================================
       # crbug.com/85597
       '-cookies.CookiesTest.testCookiesFile',
       # Some download test fails on win official builder, only thru buildbot
       # when downloading the small zip file.
@@ skipping 234 matching lines @@
   },
 
   # HTML5 media functional tests.   
   'AV_FUNC': {
      'linux': [
        'media.media_event_simple_test',
        'media.media_track',
      ],
   },
 }