Extensions: Add a test for SW runtime.onStartup

Add a test that verifies that runtime.onStartup fires on Service
Worker based extension upon chrome start.

This CL also expands "runtime" feature to "extension_service_worker"
context type.

Bug: 891016
Change-Id: I4a11f6da2f5311d7901ad8bb05c348b9343fe701
Reviewed-on: https://chromium-review.googlesource.com/1255588
Commit-Queue: Istiaque Ahmed <lazyboy@chromium.org>
Reviewed-by: Devlin <rdevlin.cronin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#595708}

chrome/browser/extensions/service_worker_apitest.cc

@@ -304,6 +304,40 @@ IN_PROC_BROWSER_TEST_P(ServiceWorkerBasedBackgroundTest, OnInstalledEvent) {
       << message_;
 }
 
+// Listens for "runtime.onStartup" event early so that tests can wait for the
+// event on startup (and not miss it).
+class ServiceWorkerOnStartupTest : public ServiceWorkerBasedBackgroundTest {
+ public:
+  ServiceWorkerOnStartupTest() = default;
+  ~ServiceWorkerOnStartupTest() override = default;
+
+  bool WaitForOnStartupEvent() { return listener_->WaitUntilSatisfied(); }
+
+  void CreatedBrowserMainParts(content::BrowserMainParts* main_parts) override {
+    // At this point, the notification service is initialized but the profile
+    // and extensions have not.
+    listener_ = std::make_unique<ExtensionTestMessageListener>(
+        "onStartup event", false);
+    ServiceWorkerBasedBackgroundTest::CreatedBrowserMainParts(main_parts);
+  }
+
+ private:
+  std::unique_ptr<ExtensionTestMessageListener> listener_;
+
+  DISALLOW_COPY_AND_ASSIGN(ServiceWorkerOnStartupTest);
+};
+
+// Tests "runtime.onStartup" for extension SW.
+IN_PROC_BROWSER_TEST_P(ServiceWorkerOnStartupTest, PRE_Event) {
+  ASSERT_TRUE(RunExtensionTest(
+      "service_worker/worker_based_background/on_startup_event"))
+      << message_;
+}
+
+IN_PROC_BROWSER_TEST_P(ServiceWorkerOnStartupTest, Event) {
+  EXPECT_TRUE(WaitForOnStartupEvent());
+}
+
 // Class that dispatches an event to |extension_id| right after a
 // non-lazy listener to the event is added from the extension's Service Worker.
 class EarlyWorkerMessageSender : public EventRouter::Observer {
@@ -1418,5 +1452,11 @@ INSTANTIATE_TEST_CASE_P(ServiceWorkerTestWithNativeBindings,
 INSTANTIATE_TEST_CASE_P(ServiceWorkerTestWithJSBindings,
                         ServiceWorkerBasedBackgroundTest,
                         ::testing::Values(JAVASCRIPT_BINDINGS));
+INSTANTIATE_TEST_CASE_P(ServiceWorkerTestWithNativeBindings,
+                        ServiceWorkerOnStartupTest,
+                        ::testing::Values(NATIVE_BINDINGS));
+INSTANTIATE_TEST_CASE_P(ServiceWorkerTestWithJSBindings,
+                        ServiceWorkerOnStartupTest,
+                        ::testing::Values(JAVASCRIPT_BINDINGS));
 
 }  // namespace extensions

chrome/test/data/extensions/api_test/service_worker/worker_based_background/on_startup_event/manifest.json

+{
+  "name": "Service Worker based background script",
+  "version": "0.1",
+  "manifest_version": 2,
+  "description": "Tests onStartup event from SW based extension",
+  "background": {"service_worker_script": "service_worker_background.js"}
+}

chrome/test/data/extensions/api_test/service_worker/worker_based_background/on_startup_event/service_worker_background.js

+// Copyright 2018 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.
+
+chrome.runtime.onStartup.addListener(() => {
+  chrome.test.sendMessage('onStartup event');
+});
+
+chrome.test.succeed();