Flush out initial [un]registerServiceWorker roundtrip

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 6cb82b95efb6510742d3591cd3e239ef8f221dc2..42c1a4764873292a29c395feadfb9fd775291c21 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -4,6 +4,8 @@
 
 #include "content/renderer/render_frame_impl.h"
 
+#include <string>
+
 #include "base/command_line.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
@@ -11,6 +13,7 @@
 #include "content/child/plugin_messages.h"
 #include "content/child/quota_dispatcher.h"
 #include "content/child/request_extra_data.h"
+#include "content/child/service_worker/web_service_worker_provider_impl.h"
 #include "content/common/frame_messages.h"
 #include "content/common/socket_stream_handle_data.h"
 #include "content/common/swapped_out_messages.h"
@@ -60,6 +63,7 @@ using WebKit::WebPluginParams;
 using WebKit::WebReferrerPolicy;
 using WebKit::WebSearchableFormData;
 using WebKit::WebSecurityOrigin;
+using WebKit::WebServiceWorkerProvider;
 using WebKit::WebStorageQuotaCallbacks;
 using WebKit::WebString;
 using WebKit::WebURL;
@@ -220,6 +224,14 @@ WebKit::WebCookieJar* RenderFrameImpl::cookieJar(WebKit::WebFrame* frame) {
   return render_view_->cookieJar(frame);
 }
 
+WebKit::WebServiceWorkerProvider* RenderFrameImpl::serviceWorkerProvider(
+    WebKit::WebFrame* frame) {
+
+  return new WebServiceWorkerProviderImpl(
+      ChildThread::current()->thread_safe_sender(),
+      ChildThread::current()->service_worker_message_filter());
+}
+
 void RenderFrameImpl::didAccessInitialDocument(WebKit::WebFrame* frame) {
   render_view_->didAccessInitialDocument(frame);
 }