Revert 134628 - Disable testSpecialURLTabs on linux QA bot

chrome/test/functional/PYAUTO_TESTS

 # 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.
 #
 # 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 518 matching lines @@
 
     'mac': [
       # ===========================
       # Permanently-disabled tests.
       # ===========================
       # Consistently failing on Mac QA bots only: crbug.com/97810
       '-process_count',
     ],
 
     'linux': [
-
-      # Re-enable on 05/01/2012 when r134601 reaches linux QA bots.
-      '-special_tabs.SpecialTabsTest.testSpecialURLTabs',
-
       # Add back the omnibox tests excluded from the CONTINUOUS suite above
       # because they do not produce omnibox results under virtual X on linux.
       # crbug.com/85310
       'instant',
       'omnibox.OmniboxTest.testAppComboNameWithSpecialCharSearch',
       'omnibox.OmniboxTest.testAppNameWithNumberSearch',
       'omnibox.OmniboxTest.testAppNameWithSpaceSearch',
       'omnibox.OmniboxTest.testAppSearchWithVeryLongAppName',
       'omnibox.OmniboxTest.testAutoCompleteForNonAsciiSearch',
       'omnibox.OmniboxTest.testAutoCompleteForSearch',
@@ skipping 161 matching lines @@
 
   # HTML5 media performance tests.
   'AV_PERF': {
      'linux': [
        'media.media_constrained_network_perf',
        'media.media_stat_perf',
        'media.media_seek_perf',
      ],
   },
 }