Remove build references to third_party/cygwin

content/content_browsertests.isolate

 # Copyright (c) 2013 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.
 {
   'conditions': [
     ['OS=="android"', {
       'variables': {
         'isolate_dependency_tracked': [
           '<(PRODUCT_DIR)/content_shell/assets/content_shell.pak',
         ],
@@ skipping 72 matching lines @@
         'isolate_dependency_tracked': [
           '<(PRODUCT_DIR)/ffmpegsumo.dll',
           '<(PRODUCT_DIR)/chrome_100_percent.pak',
           '<(PRODUCT_DIR)/clearkeycdm.dll',
           '<(PRODUCT_DIR)/clearkeycdmadapter.dll',
           '<(PRODUCT_DIR)/content_shell.pak',
           '<(PRODUCT_DIR)/plugins/npTestNetscapePlugIn.dll',
           '<(PRODUCT_DIR)/plugins/npapi_test_plugin.dll',
         ],
         'isolate_dependency_untracked': [
-          # The two directories below are only needed for
+          # The directory below is only needed for

[M-A Ruel, 2014/02/04 01:23:51]

I think you can remove the whole section. When someone wants to reenable this
test and it's not needing this anymore, this comment won't be updated. So just
get rid of this.

[scottmg, 2014/02/04 01:28:39]

Done.

           # WorkerXHRHttpLayoutTest.Tests which are currently disabled.
-          #'../third_party/cygwin/',
           #'../third_party/perl/perl/',
         ],
       },
     }],
   ],
 }