Remove obsolete exclude from unit tests

chrome/chrome_tests.gypi

 # 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.
 {
   'target_defaults': {
     'conditions': [
       ['strip_tests==1', {
         'cflags!': [ '-g' ],
         'ldflags': [ '-Wl,--strip-debug' ],
       }],
@@ skipping 2125 matching lines @@
           'sources/': [
             ['exclude', '^browser/safe_browsing/'],
             ['exclude', '^renderer/safe_browsing/'],
           ],
         }],
         ['chromeos==1', {
           'sources/': [
             ['exclude', '^browser/password_manager/native_backend_gnome_x_unittest.cc'],
             ['exclude', '^browser/password_manager/native_backend_kwallet_x_unittest.cc'],
             ['exclude', '^browser/safe_browsing/download_protection_service_unittest.cc' ],
-            ['exclude', '^../content/browser/geolocation/wifi_data_provider_linux_unittest.cc'],
           ],
           'conditions': [
             ['use_aura==1', {
               'sources!': [
                 'browser/chromeos/notifications/desktop_notifications_unittest.cc',
               ],
             }],
           ],
         }, { # else: chromeos == 0
           'sources/': [
@@ skipping 2175 matching lines @@
               # Use outputs of this action as inputs for the main target build.
               # Seems as a misnomer but makes this happy on Linux (scons).
               'process_outputs_as_sources': 1,
             },
           ],  # 'actions'
         },
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }