Remove disable-embedded-shared-worker flag and shared worker process related codes.

chrome/chrome_tests_unit.gypi

 # Copyright 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.
 {
   'targets': [
     {
       # This target contains mocks and test utilities that don't belong in
       # production libraries but are used by more than one test executable.
       'target_name': 'test_support_common',
       'type': 'static_library',
@@ skipping 283 matching lines @@
           'dependencies': [
             'common/extensions/api/api.gyp:chrome_api',
             'plugin',
             'renderer',
             'utility',
             '../content/content.gyp:content_gpu',
             '../content/content.gyp:content_plugin',
             '../content/content.gyp:content_ppapi_plugin',
             '../content/content.gyp:content_renderer',
             '../content/content.gyp:content_utility',
-            '../content/content.gyp:content_worker',
             '../components/components.gyp:autofill_core_test_support',
             '../components/components.gyp:captive_portal_test_support',
             '../components/components.gyp:sessions_test_support',
             '../components/components.gyp:storage_monitor_test_support',
             '../extensions/extensions.gyp:extensions_test_support',
             '../google_apis/google_apis.gyp:google_apis_test_support',
             '../ipc/ipc.gyp:test_support_ipc',
             '../media/media.gyp:media_test_support',
             '../ppapi/ppapi_internal.gyp:ppapi_shared',
             '../sql/sql.gyp:test_support_sql',
@@ skipping 2607 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }