Initial child-process side plumbing for starting an embedded ServiceWorker context

content/content_renderer.gypi

Index: content/content_renderer.gypi
diff --git a/content/content_renderer.gypi b/content/content_renderer.gypi
index 8255f9bfea48273039d93a393680aff4c9bbe93f..52fb0615a8e232cfd07d8c03ddce9fc8981ab397 100644
--- a/content/content_renderer.gypi
+++ b/content/content_renderer.gypi
@@ -480,6 +480,12 @@
     'renderer/savable_resources.h',
     'renderer/scoped_clipboard_writer_glue.cc',
     'renderer/scoped_clipboard_writer_glue.h',
+    'renderer/service_worker/embedded_worker_dispatcher.cc',
+    'renderer/service_worker/embedded_worker_dispatcher.h',
+    'renderer/service_worker/service_worker_context_client.cc',
+    'renderer/service_worker/service_worker_context_client.h',
+    'renderer/service_worker/service_worker_context_message_filter.cc',
+    'renderer/service_worker/service_worker_context_message_filter.h',
     'renderer/shared_memory_seqlock_reader.cc',
     'renderer/shared_memory_seqlock_reader.h',
     'renderer/shared_worker_repository.cc',