Add IPC stubs between browser and ServiceWorker's worker context in the child process

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 412ed6748002aa35c472f8214d39b3c2b62cf728..9bc55854cc7b6cce25a0290c823bc415488d37cd 100644
--- a/content/renderer/service_worker/service_worker_context_client.cc
+++ b/content/renderer/service_worker/service_worker_context_client.cc
@@ -9,6 +9,7 @@
 #include "base/pickle.h"
 #include "base/threading/thread_local.h"
 #include "content/child/thread_safe_sender.h"
+#include "content/common/service_worker_messages.h"
 #include "content/renderer/render_thread_impl.h"
 #include "content/renderer/service_worker/embedded_worker_dispatcher.h"
 #include "ipc/ipc_message_macros.h"
@@ -61,12 +62,15 @@ ServiceWorkerContextClient::~ServiceWorkerContextClient() {
 
 bool ServiceWorkerContextClient::OnMessageReceived(
     const IPC::Message& msg) {
-  NOTIMPLEMENTED();
-  return false;
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP(ServiceWorkerContextClient, msg)
+    IPC_MESSAGE_HANDLER(ServiceWorkerContextMsg_FetchEvent, OnFetchEvent)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+  return handled;
 }
 
-void ServiceWorkerContextClient::workerContextFailedToStart()
-{
+void ServiceWorkerContextClient::workerContextFailedToStart() {
   DCHECK(main_thread_proxy_->RunsTasksOnCurrentThread());
   DCHECK(!proxy_);
 
@@ -81,9 +85,9 @@ void ServiceWorkerContextClient::workerContextStarted(
   g_worker_client_tls.Pointer()->Set(this);
   proxy_ = proxy;
 
-  // TODO(kinuko): Send WorkerStarted message to the browser with the
-  // current thread ID so that the browser can start sending embedded worker
-  // messages directly to this client.
+  sender_->Send(new ServiceWorkerHostMsg_WorkerStarted(
+      WorkerTaskRunner::Instance()->CurrentWorkerId(),
+      embedded_worker_id_));
 }
 
 void ServiceWorkerContextClient::workerContextDestroyed() {
@@ -95,4 +99,13 @@ void ServiceWorkerContextClient::workerContextDestroyed() {
                  embedded_worker_id_));
 }
 
+void ServiceWorkerContextClient::OnFetchEvent(
+    int thread_id,
+    int embedded_worker_id,
+    const ServiceWorkerFetchRequest& request) {
+  // TODO(kinuko): Implement.
+  // This is to call WebServiceWorkerContextProxy's dispatchFetchEvent method.
+  NOTIMPLEMENTED();
+}
+
 }  // namespace content