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

content/browser/service_worker/service_worker_dispatcher_host.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/service_worker/service_worker_dispatcher_host.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/service_worker/embedded_worker_registry.h"
 #include "content/browser/service_worker/service_worker_context_core.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
@@ skipping 43 matching lines @@
       render_process_id_, this);
 }
 
 void ServiceWorkerDispatcherHost::OnDestruct() const {
   BrowserThread::DeleteOnIOThread::Destruct(this);
 }
 
 bool ServiceWorkerDispatcherHost::OnMessageReceived(
     const IPC::Message& message,
     bool* message_was_ok) {
-  if (IPC_MESSAGE_CLASS(message) != ServiceWorkerMsgStart)
-    return false;
-
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP_EX(
     ServiceWorkerDispatcherHost, message, *message_was_ok)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_RegisterServiceWorker,
                         OnRegisterServiceWorker)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_UnregisterServiceWorker,
                         OnUnregisterServiceWorker)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_ProviderCreated,
                         OnProviderCreated)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_ProviderDestroyed,
                         OnProviderDestroyed)
+    IPC_MESSAGE_HANDLER(EmbeddedWorkerHostMsg_WorkerStarted,
+                        OnWorkerStarted)
+    IPC_MESSAGE_HANDLER(EmbeddedWorkerHostMsg_WorkerStopped,
+                        OnWorkerStopped)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
   return handled;
 }
 
 void ServiceWorkerDispatcherHost::OnRegisterServiceWorker(
     int32 thread_id,
     int32 request_id,
     const GURL& pattern,
@@ skipping 81 matching lines @@
     int64 registration_id) {
   if (status != REGISTRATION_OK) {
     SendRegistrationError(thread_id, request_id, status);
     return;
   }
 
   Send(new ServiceWorkerMsg_ServiceWorkerRegistered(
       thread_id, request_id, registration_id));
 }
 
+void ServiceWorkerDispatcherHost::OnWorkerStarted(
+    int thread_id, int embedded_worker_id) {
+  if (!context_)
+    return;
+  context_->embedded_worker_registry()->OnWorkerStarted(
+      render_process_id_, thread_id, embedded_worker_id);
+}
+
+void ServiceWorkerDispatcherHost::OnWorkerStopped(int embedded_worker_id) {
+  if (!context_)
+    return;
+  context_->embedded_worker_registry()->OnWorkerStopped(
+      render_process_id_, embedded_worker_id);
+}
+
 void ServiceWorkerDispatcherHost::UnregistrationComplete(
     int32 thread_id,
     int32 request_id,
     ServiceWorkerRegistrationStatus status) {
   if (status != REGISTRATION_OK) {
     SendRegistrationError(thread_id, request_id, status);
     return;
   }
 
   Send(new ServiceWorkerMsg_ServiceWorkerUnregistered(thread_id, request_id));
 }
 
 void ServiceWorkerDispatcherHost::SendRegistrationError(
     int32 thread_id,
     int32 request_id,
     ServiceWorkerRegistrationStatus status) {
   base::string16 error_message;
   blink::WebServiceWorkerError::ErrorType error_type;
   GetServiceWorkerRegistrationStatusResponse(
       status, &error_type, &error_message);
   Send(new ServiceWorkerMsg_ServiceWorkerRegistrationError(
       thread_id, request_id, error_type, error_message));
 }
 
 }  // namespace content