DevTools: allow devtools to skipWaiting service workers.

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 c326aa5d89586e431b918e4e394c031b4297a53f..1a37f2002fa7197adae6f394eb5f105cc6b4c1c5 100644
--- a/content/browser/service_worker/service_worker_context_wrapper.cc
+++ b/content/browser/service_worker/service_worker_context_wrapper.cc
@@ -70,6 +70,17 @@ void StartActiveWorkerOnIO(
                           base::Bind(callback, SERVICE_WORKER_ERROR_NOT_FOUND));
 }
 
+void SkipWaitingWorkerOnIO(
+    ServiceWorkerStatusCode status,
+    const scoped_refptr<ServiceWorkerRegistration>& registration) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  if (status != SERVICE_WORKER_OK || !registration->waiting_version())
+    return;
+
+  registration->waiting_version()->set_skip_waiting(true);
+  registration->ActivateWaitingVersionWhenReady();
+}
+
 }  // namespace
 
 void ServiceWorkerContext::AddExcludedHeadersForFetchEvent(
@@ -291,6 +302,20 @@ void ServiceWorkerContextWrapper::StartServiceWorker(
       base::Bind(&StartActiveWorkerOnIO, callback));
 }
 
+void ServiceWorkerContextWrapper::SkipWaitingWorker(const GURL& pattern) {
+  if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
+    BrowserThread::PostTask(
+        BrowserThread::IO, FROM_HERE,
+        base::Bind(&ServiceWorkerContextWrapper::SkipWaitingWorker, this,
+                   pattern));
+    return;
+  }
+  if (!context_core_)
+    return;
+  context_core_->storage()->FindRegistrationForPattern(
+      net::SimplifyUrlForRequest(pattern), base::Bind(&SkipWaitingWorkerOnIO));
+}
+
 void ServiceWorkerContextWrapper::SetForceUpdateOnPageLoad(
     bool force_update_on_page_load) {
   if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {