Draft: Dispatching extension events to stopped extension SW.

content/browser/service_worker/service_worker_context_wrapper.cc

Index: content/browser/service_worker/service_worker_context_wrapper.cc
diff --git a/content/browser/service_worker/service_worker_context_wrapper.cc b/content/browser/service_worker/service_worker_context_wrapper.cc
index fbb00d4fc0fd42a3bd650f6ce2cb7cc28cbcfdd0..c20afa034a7a5239ecf631f746b27e9d01c74c0a 100644
--- a/content/browser/service_worker/service_worker_context_wrapper.cc
+++ b/content/browser/service_worker/service_worker_context_wrapper.cc
@@ -82,6 +82,41 @@ void SkipWaitingWorkerOnIO(
   registration->ActivateWaitingVersionWhenReady();
 }
 
+void ServiceWorkerStarted(
+    scoped_refptr<ServiceWorkerRegistration> service_worker_registration,
+    base::OnceCallback<void(int, int)> info_callback) {
+  int thread_id = service_worker_registration->active_version()
+                      ->embedded_worker()
+                      ->thread_id();
+  int process_id = service_worker_registration->active_version()
+                       ->embedded_worker()
+                       ->process_id();
+  std::move(info_callback).Run(process_id, thread_id);
+}
+
+void ErrorCallback(base::OnceCallback<void()> error_callback,
+                   ServiceWorkerStatusCode code) {
+  std::move(error_callback).Run();
+}
+
+void DispatchWorkerInfo(
+    base::OnceCallback<void(int, int)> info_callback,
+    base::OnceCallback<void()> failure_callback,
+    ServiceWorkerStatusCode service_worker_status,
+    scoped_refptr<ServiceWorkerRegistration> service_worker_registration) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  if (service_worker_status == SERVICE_WORKER_OK) {
+    DCHECK(service_worker_registration->active_version());
+    service_worker_registration->active_version()->RunAfterStartWorker(
+        ServiceWorkerMetrics::EventType::EXTERNAL_REQUEST,
+        base::Bind(&ServiceWorkerStarted, service_worker_registration,
+                   base::Passed(&info_callback)),
+        base::Bind(&ErrorCallback, base::Passed(&failure_callback)));
+  } else {
+    std::move(failure_callback).Run();
+  }
+}
+
 }  // namespace
 
 void ServiceWorkerContext::AddExcludedHeadersForFetchEvent(
@@ -841,6 +876,16 @@ bool ServiceWorkerContextWrapper::FinishedExternalRequest(
   return version->FinishExternalRequest(request_uuid);
 }
 
+void ServiceWorkerContextWrapper::GetWorkerInfoAfterStartWorker(
+    const GURL& origin,
+    base::OnceCallback<void(int, int)> info_callback,
+    base::OnceCallback<void()> failure_callback) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  FindReadyRegistrationForPattern(
+      origin, base::Bind(&DispatchWorkerInfo, base::Passed(&info_callback),
+                         base::Passed(&failure_callback)));
+}
+
 void ServiceWorkerContextWrapper::DidDeleteAndStartOver(
     ServiceWorkerStatusCode status) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);