[OnionSoup] Move background_sync.mojom from //content to //third_party/WebKit

third_party/WebKit/public/blink.gyp

 #
 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #         * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #         * Redistributions in binary form must reproduce the above
@@ skipping 15 matching lines @@
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
 {
     'includes': [
         '../Source/build/features.gypi',
     ],
     'variables': {
         'blink_mojo_sources': [
+            'platform/modules/background_sync/background_sync.mojom',
             'platform/modules/bluetooth/web_bluetooth.mojom',
             'platform/modules/geolocation/geolocation.mojom',
             'platform/modules/imagecapture/image_capture.mojom',
             'platform/modules/notifications/notification.mojom',
             'platform/modules/permissions/permission.mojom',
             'platform/modules/permissions/permission_status.mojom',
+            'platform/modules/serviceworker/service_worker_event_status.mojom',
             'platform/modules/vr/vr_service.mojom',
             'platform/modules/wake_lock/wake_lock_service.mojom',
         ],
         'blink_android_mojo_sources': [
             'platform/modules/payments/payment_request.mojom',
         ],
     },
     'targets': [
         {
             # GN version: //third_party/WebKit/public:blink
@@ skipping 103 matching lines @@
                     'type': 'static_library',
                     'dependencies': [
                         'android_mojo_bindings_mojom',
                         '../../../mojo/mojo_public.gyp:mojo_bindings_java',
                     ],
                 },
             ],
         }],
     ],
 }