Move Web Notifications to use Mojo

WATCHLISTS

 # 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.
 
 # Watchlist Rules
 # Refer: http://dev.chromium.org/developers/contributing-code/watchlists
 
 # IMPORTANT: The regular expression filepath is tested against each path using
 # re.search, so it is not usually necessary to add .*.
 
@@ skipping 569 matching lines @@
         'chrome/browser/ui/webui/net_internals/'
     },
     'netinfo': {
       'filepath': 'netinfo',
     },
     'notifications': {
       'filepath': 'chrome/browser/extensions/api/notifications/|' \
         'chrome/browser/notifications/|' \
         'chrome/test/data/notifications/|' \
         'content/browser/notifications/|' \
-        'content/child/notifications/|' \
         'content/common/platform_notification|' \
         'content/public/browser/platform_notification|' \
         'content/public/common/platform_notification|' \
         'content/renderer/notification_|' \
         'ui/message_center/'
     },
     'ntp': {
       'filepath': 'chrome/browser/resources/ntp4/|'\
         'chrome/browser/resources/ntp_android/|'\
         'chrome/browser/ui/webui/ntp/',
@@ skipping 1194 matching lines @@
                        'kinuko+worker@chromium.org',
                        'horo+watch@chromium.org',
                        'falken@chromium.org' ],
     'blink_wtf': [ 'mikhail.pozdnyakov@intel.com',
                    'blink-reviews-wtf@chromium.org' ],
     'blink_xmlhttprequest': [ 'tyoshino+watch@chromium.org' ],
     'test_runner': [ 'jochen+watch@chromium.org',
                      'mlamouri+watch-test-runner@chromium.org' ],
   },
 }