[content shell] add support for invoking testRunner.notifyDone in a different process

content/content_shell.gypi

 # 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.
 
 {
   'variables': {
     'content_shell_product_name': 'Content Shell',
     # The "19" is so that sites that sniff for version think that this is
     # something reasonably current; the "77.34.5" is a hint that this isn't a
     # standard Chrome.
@@ skipping 50 matching lines @@
       ],
       'sources': [
         'shell/android/shell_jni_registrar.cc',
         'shell/android/shell_jni_registrar.h',
         'shell/android/shell_manager.cc',
         'shell/android/shell_manager.h',
         'shell/geolocation/shell_access_token_store.cc',
         'shell/geolocation/shell_access_token_store.h',
         'shell/minimal_ash.cc',
         'shell/minimal_ash.h',
+        'shell/notify_done_forwarder.cc',
+        'shell/notify_done_forwarder.h',
         'shell/paths_mac.h',
         'shell/paths_mac.mm',
         'shell/shell.cc',
         'shell/shell.h',
         'shell/shell_android.cc',
         'shell/shell_aura.cc',
         'shell/shell_gtk.cc',
         'shell/shell_mac.mm',
         'shell/shell_win.cc',
         'shell/shell_application_mac.h',
@@ skipping 583 matching lines @@
             'native_lib_target': 'libcontent_shell_content_view',
             'additional_input_paths': ['<(PRODUCT_DIR)/content_shell/assets/content_shell.pak'],
             'asset_location': '<(ant_build_out)/content_shell/assets',
           },
           'includes': [ '../build/java_apk.gypi' ],
         },
       ],
     }],  # OS=="android"
   ]
 }