Add a mojo ServiceRegistry to embedded workers.

content/renderer/service_worker/service_worker_context_client.cc

Index: content/renderer/service_worker/service_worker_context_client.cc
diff --git a/content/renderer/service_worker/service_worker_context_client.cc b/content/renderer/service_worker/service_worker_context_client.cc
index 3dc5852db3e5365fa87660bdb176733fd58c959e..85b79ac8fae5a9277babc0c3386a9399f79e8f2d 100644
--- a/content/renderer/service_worker/service_worker_context_client.cc
+++ b/content/renderer/service_worker/service_worker_context_client.cc
@@ -26,6 +26,7 @@
 #include "content/child/worker_task_runner.h"
 #include "content/common/devtools_messages.h"
 #include "content/common/message_port_messages.h"
+#include "content/common/mojo/service_registry_impl.h"
 #include "content/common/service_worker/embedded_worker_messages.h"
 #include "content/common/service_worker/service_worker_messages.h"
 #include "content/public/common/referrer.h"
@@ -198,6 +199,8 @@ struct ServiceWorkerContextClient::WorkerContextData {
   // Pending callbacks for ClaimClients().
   ClaimClientsCallbacksMap claim_clients_callbacks;
 
+  ServiceRegistryImpl service_registry;
+
   base::ThreadChecker thread_checker;
   base::WeakPtrFactory<ServiceWorkerContextClient> weak_factory;
 };
@@ -271,6 +274,13 @@ void ServiceWorkerContextClient::OnMessageReceived(
   DCHECK(handled);
 }
 
+void ServiceWorkerContextClient::BindServiceRegistry(
+    mojo::InterfaceRequest<mojo::ServiceProvider> services,
+    mojo::ServiceProviderPtr exposed_services) {
+  context_->service_registry.Bind(services.Pass());
+  context_->service_registry.BindRemoteServiceProvider(exposed_services.Pass());
+}
+
 blink::WebURL ServiceWorkerContextClient::scope() const {
   return service_worker_scope_;
 }