[ServiceWorker] Add EmbeddedWorkerInstanceHost Interface.

content/renderer/service_worker/embedded_worker_instance_client_impl.cc

Index: content/renderer/service_worker/embedded_worker_instance_client_impl.cc
diff --git a/content/renderer/service_worker/embedded_worker_instance_client_impl.cc b/content/renderer/service_worker/embedded_worker_instance_client_impl.cc
index f6540d42d4a141cb3914035128175b09b6327e50..72ea5e899ecc66e6bbae106931dea2c3063b53c3 100644
--- a/content/renderer/service_worker/embedded_worker_instance_client_impl.cc
+++ b/content/renderer/service_worker/embedded_worker_instance_client_impl.cc
@@ -46,7 +46,8 @@ void EmbeddedWorkerInstanceClientImpl::StopWorkerCompleted() {
 
 void EmbeddedWorkerInstanceClientImpl::StartWorker(
     const EmbeddedWorkerStartParams& params,
-    mojom::ServiceWorkerEventDispatcherRequest dispatcher_request) {
+    mojom::ServiceWorkerEventDispatcherRequest dispatcher_request,
+    mojom::EmbeddedWorkerInstanceHostAssociatedPtrInfo instance_host) {
   DCHECK(ChildThreadImpl::current());
   DCHECK(!wrapper_);
   DCHECK(!embedded_worker_id_);
@@ -59,8 +60,8 @@ void EmbeddedWorkerInstanceClientImpl::StartWorker(
           params,
           base::MakeUnique<ServiceWorkerContextClient>(
               params.embedded_worker_id, params.service_worker_version_id,
-              params.scope, params.script_url,
-              std::move(dispatcher_request), std::move(temporal_self_)));
+              params.scope, params.script_url, std::move(dispatcher_request),
+              std::move(instance_host), std::move(temporal_self_)));
   wrapper_ = wrapper.get();
   dispatcher_->RegisterWorker(params.embedded_worker_id, std::move(wrapper));
 }