Introduce ServiceWorker.ActivatedWorkerPreparationForMainFrame.Time UMA.

content/browser/service_worker/service_worker_provider_host.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_provider_host.h"
 
 #include <utility>
 
 #include "base/guid.h"
 #include "base/stl_util.h"
@@ skipping 174 matching lines @@
       notify_controllerchange));
 }
 
 bool ServiceWorkerProviderHost::SetHostedVersion(
     ServiceWorkerVersion* version) {
   // TODO(falken): Unclear why we check active_version. Should this just check
   // that IsProviderForClient() is false?
   if (active_version())
     return false;  // Unexpected bad message.
 
-  DCHECK_EQ(ServiceWorkerVersion::STARTING, version->running_status());
+  DCHECK_EQ(ServiceWorkerVersion::RunningStatus::STARTING,
+            version->running_status());
   if (version->embedded_worker()->process_id() != render_process_id_) {
     // If we aren't trying to start this version in our process
     // something is amiss.
     return false;
   }
 
   running_hosted_version_ = version;
   return true;
 }
 
@@ skipping 437 matching lines @@
       Send(new ServiceWorkerMsg_SetControllerServiceWorker(
           render_thread_id_, provider_id(),
           GetOrCreateServiceWorkerHandle(
               associated_registration_->active_version()),
           false /* shouldNotifyControllerChange */));
     }
   }
 }
 
 }  // namespace content