service worker: Propagate navigation preload flag to SWVersion.

content/browser/service_worker/service_worker_registration_unittest.cc

Index: content/browser/service_worker/service_worker_registration_unittest.cc
diff --git a/content/browser/service_worker/service_worker_registration_unittest.cc b/content/browser/service_worker/service_worker_registration_unittest.cc
index e06387b3f76d0851ff701227aeb8088b9ae5cb73..c7924b63f720f8b48de3de3be1f71f3d0c8c7374 100644
--- a/content/browser/service_worker/service_worker_registration_unittest.cc
+++ b/content/browser/service_worker/service_worker_registration_unittest.cc
@@ -184,6 +184,42 @@ TEST_P(ServiceWorkerRegistrationTestP, FailedRegistrationNoCrash) {
   // Don't crash when handle gets destructed.
 }
 
+TEST_P(ServiceWorkerRegistrationTestP, NavigationPreload) {
+  const GURL kScope("http://www.example.not/");
+  const GURL kScript("https://www.example.not/service_worker.js");
+  // Setup.
+  scoped_refptr<ServiceWorkerRegistration> registration =
+      new ServiceWorkerRegistration(kScope, storage()->NewRegistrationId(),
+                                    context()->AsWeakPtr());
+  scoped_refptr<ServiceWorkerVersion> version_1 = new ServiceWorkerVersion(
+      registration.get(), kScript, storage()->NewVersionId(),
+      context()->AsWeakPtr());
+  version_1->set_fetch_handler_existence(
+      ServiceWorkerVersion::FetchHandlerExistence::EXISTS);
+  registration->SetActiveVersion(version_1);
+  version_1->SetStatus(ServiceWorkerVersion::ACTIVATED);
+  scoped_refptr<ServiceWorkerVersion> version_2 = new ServiceWorkerVersion(
+      registration.get(), kScript, storage()->NewVersionId(),
+      context()->AsWeakPtr());
+  version_2->set_fetch_handler_existence(
+      ServiceWorkerVersion::FetchHandlerExistence::EXISTS);
+  registration->SetWaitingVersion(version_2);
+  version_2->SetStatus(ServiceWorkerVersion::INSTALLED);
+
+  // Navigation preload is disabled by default.
+  EXPECT_FALSE(version_1->navigation_preload_enabled());
+  // Enabling it sets the flag on the active version.
+  registration->EnableNavigationPreload(true);
+  EXPECT_TRUE(version_1->navigation_preload_enabled());
+  // A new active version gets the flag.
+  registration->SetActiveVersion(version_2);
+  version_2->SetStatus(ServiceWorkerVersion::ACTIVATING);
+  EXPECT_TRUE(version_2->navigation_preload_enabled());
+  // Disabling it unsets the flag on the active version.
+  registration->EnableNavigationPreload(false);
+  EXPECT_FALSE(version_2->navigation_preload_enabled());
+}
+
 // Sets up a registration with a waiting worker, and an active worker
 // with a controllee and an inflight request.
 class ServiceWorkerActivationTest : public ServiceWorkerRegistrationTestP {