Introduce ServiceWorker.ActivatedWorkerPreparationForMainFrame.Time UMA.

content/browser/service_worker/service_worker_registration.cc

 // Copyright 2013 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 "content/browser/service_worker/service_worker_registration.h"
 
 #include <vector>
 
 #include "content/browser/service_worker/service_worker_context_core.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
@@ skipping 362 matching lines @@
 }
 
 void ServiceWorkerRegistration::DispatchActivateEvent(
     scoped_refptr<ServiceWorkerVersion> activating_version) {
   if (activating_version != active_version()) {
     OnActivateEventFinished(activating_version, SERVICE_WORKER_ERROR_FAILED);
     return;
   }
 
   DCHECK_EQ(ServiceWorkerVersion::ACTIVATING, activating_version->status());
-  DCHECK_EQ(ServiceWorkerVersion::RUNNING, activating_version->running_status())
+  DCHECK_EQ(ServiceWorkerVersion::RunningStatus::RUNNING,
+            activating_version->running_status())
       << "Worker stopped too soon after it was started.";
   int request_id = activating_version->StartRequest(
       ServiceWorkerMetrics::EventType::ACTIVATE,
       base::Bind(&ServiceWorkerRegistration::OnActivateEventFinished, this,
                  activating_version));
   activating_version
       ->DispatchSimpleEvent<ServiceWorkerHostMsg_ActivateEventFinished>(
           request_id, ServiceWorkerMsg_ActivateEvent(request_id));
 }
 
@@ skipping 78 matching lines @@
   if (!context_) {
     callback.Run(SERVICE_WORKER_ERROR_ABORT);
     return;
   }
   context_->storage()->NotifyDoneInstallingRegistration(
       this, version.get(), status);
   callback.Run(status);
 }
 
 }  // namespace content