Introduce ServiceWorker.EventDispatchingDelay UMA

content/browser/service_worker/service_worker_job_unittest.cc

 // Copyright 2014 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.
 
 #include <stdint.h>
 #include <tuple>
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/run_loop.h"
 #include "base/test/test_simple_task_runner.h"
+#include "base/time/time.h"
 #include "content/browser/browser_thread_impl.h"
 #include "content/browser/service_worker/embedded_worker_registry.h"
 #include "content/browser/service_worker/embedded_worker_status.h"
 #include "content/browser/service_worker/embedded_worker_test_helper.h"
 #include "content/browser/service_worker/service_worker_context_core.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
 #include "content/browser/service_worker/service_worker_disk_cache.h"
 #include "content/browser/service_worker/service_worker_job_coordinator.h"
 #include "content/browser/service_worker/service_worker_registration.h"
 #include "content/browser/service_worker/service_worker_registration_status.h"
@@ skipping 1414 matching lines @@
       : EmbeddedWorkerTestHelper(base::FilePath()),
         install_event_result_(blink::WebServiceWorkerEventResultCompleted),
         activate_event_result_(blink::WebServiceWorkerEventResultCompleted) {}
 
   void OnInstallEvent(int embedded_worker_id,
                       int request_id) override {
     if (!install_callback_.is_null())
       install_callback_.Run();
     SimulateSend(new ServiceWorkerHostMsg_InstallEventFinished(
         embedded_worker_id, request_id, install_event_result_,
-        has_fetch_handler_));
+        has_fetch_handler_, base::Time::Now()));
   }
   void OnActivateEvent(int embedded_worker_id, int request_id) override {
-    SimulateSend(
-        new ServiceWorkerHostMsg_ActivateEventFinished(
-            embedded_worker_id, request_id, activate_event_result_));
+    SimulateSend(new ServiceWorkerHostMsg_ActivateEventFinished(
+        embedded_worker_id, request_id, activate_event_result_,
+        base::Time::Now()));
   }
 
   void set_install_callback(const base::Closure& callback) {
     install_callback_ = callback;
   }
   void set_install_event_result(blink::WebServiceWorkerEventResult result) {
     install_event_result_ = result;
   }
   void set_activate_event_result(blink::WebServiceWorkerEventResult result) {
     activate_event_result_ = result;
@@ skipping 230 matching lines @@
   // should not be promoted to ACTIVATED because failure occur
   // during shutdown.
   runner->RunUntilIdle();
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(new_version.get(), registration->active_version());
   EXPECT_EQ(ServiceWorkerVersion::ACTIVATING, new_version->status());
   registration->RemoveListener(update_helper);
 }
 
 }  // namespace content