[Background Sync] Use Mojo IPC to fire background sync events

content/content_common.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.
 
 {
   'dependencies': [
     '../base/base.gyp:base',
     '../components/tracing.gyp:tracing',
     '../gpu/command_buffer/command_buffer.gyp:gles2_utils',
     '../net/net.gyp:net',
@@ skipping 508 matching lines @@
       'common/service_port_type_converters.cc',
       'common/service_port_type_converters.h',
       'common/service_worker/embedded_worker_messages.h',
       'common/service_worker/service_worker_client_info.cc',
       'common/service_worker/service_worker_client_info.h',
       'common/service_worker/service_worker_messages.h',
       'common/service_worker/service_worker_status_code.cc',
       'common/service_worker/service_worker_status_code.h',
       'common/service_worker/service_worker_types.cc',
       'common/service_worker/service_worker_types.h',
+      'common/service_worker/service_worker_type_converters.cc',
+      'common/service_worker/service_worker_type_converters.h',
       'common/set_process_title.cc',
       'common/set_process_title.h',
       'common/set_process_title_linux.cc',
       'common/set_process_title_linux.h',
       'common/speech_recognition_messages.h',
       'common/ssl_status_serialization.cc',
       'common/ssl_status_serialization.h',
       'common/swapped_out_messages.cc',
       'common/swapped_out_messages.h',
       'common/text_input_client_messages.h',
@@ skipping 535 matching lines @@
         'common/gpu/client/gpu_memory_buffer_impl_ozone.cc',
         'common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.cc',
         'common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.h',
         'common/gpu/gpu_memory_buffer_factory_ozone.cc',
         'common/gpu/gpu_memory_buffer_factory_ozone_native_buffer.cc',
         'common/gpu/gpu_memory_buffer_factory_ozone_native_buffer.h',
       ],
     }],
   ],
 }