[ServiceWorker] Mojofy InstallEvent of Service Worker

content/browser/service_worker/service_worker_job_unittest.cc

Index: content/browser/service_worker/service_worker_job_unittest.cc
diff --git a/content/browser/service_worker/service_worker_job_unittest.cc b/content/browser/service_worker/service_worker_job_unittest.cc
index 78e892880dab4a5370f0c83522de85b3dcfe4040..e0243c074fcf82ee7c432b1d29b275005cb10500 100644
--- a/content/browser/service_worker/service_worker_job_unittest.cc
+++ b/content/browser/service_worker/service_worker_job_unittest.cc
@@ -295,8 +295,8 @@ TEST_F(ServiceWorkerJobTest, Register) {
                      GURL("http://www.example.com/service_worker.js"));
 
   ASSERT_NE(scoped_refptr<ServiceWorkerRegistration>(NULL), registration);
-  EXPECT_TRUE(helper_->inner_ipc_sink()->GetUniqueMessageMatching(
-      ServiceWorkerMsg_InstallEvent::ID));
+  EXPECT_EQ(EmbeddedWorkerTestHelper::Event::Install,
+            helper_->dispatched_events()->at(0));
 }
 
 // Make sure registrations are cleaned up when they are unregistered.
@@ -1471,13 +1471,14 @@ class EventCallbackHelper : public EmbeddedWorkerTestHelper {
         install_event_result_(blink::kWebServiceWorkerEventResultCompleted),
         activate_event_result_(blink::kWebServiceWorkerEventResultCompleted) {}
 
-  void OnInstallEvent(int embedded_worker_id,
-                      int request_id) override {
+  void OnInstallEvent(
+      mojom::ServiceWorkerEventDispatcher::DispatchInstallEventCallback
+          callback) override {
     if (!install_callback_.is_null())
       install_callback_.Run();
-    SimulateSend(new ServiceWorkerHostMsg_InstallEventFinished(
-        embedded_worker_id, request_id, install_event_result_,
-        has_fetch_handler_, base::Time::Now()));
+    dispatched_events()->push_back(Event::Install);

[xiaofengzhang, 2017/04/28 07:14:24]

Delete it because it's useless for the tests that use EventCallbackHelper. 

+    std::move(callback).Run(EventResultToStatus(install_event_result_),
+                            has_fetch_handler_, base::Time::Now());
   }
 
   void OnActivateEvent(