Update plugins_check to run on ChromeOS

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 239 matching lines @@
       '-ntp.NTPTest.testSetMenuModeOn',
       '-ntp.NTPTest.testSetThumbnailModeOff',
       '-ntp.NTPTest.testUninstallApp',
       '-omnibox.OmniboxTest.testBookmarkResultInNewTabAndWindow',
       '-omnibox.OmniboxTest.testContentHistory',
       '-omnibox.OmniboxTest.testDifferentTypesOfResults',
       '-omnibox.OmniboxTest.testFetchHistoryResultItems',
       '-omnibox.OmniboxTest.testGoogleSearch',
       '-omnibox.OmniboxTest.testInlinAutoComplete',
       '-omnibox.OmniboxTest.testSuggest',
-      '-plugins_check',
     ],
   },
 
   # The FULL suite includes CONTINUOUS, and more.
   'FULL': {
     'all': [
       '@CONTINUOUS',
       'translate',
       # This test fails due to crbug.com/35485
       '-translate.TranslateTest.testBarNotVisibleOnSSLErrorPage',
@@ skipping 13 matching lines @@
     ],
 
     'chromeos': [
       # Exclusions that have not been narrowed to other categories yet.
       # crosbug.com/12653
       '-translate',
     ],
   },
 
 }