service worker: Update job gets the script url when the job starts

content/browser/service_worker/service_worker_version.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_version.h"
 
 #include <stddef.h>
 
 #include <limits>
 #include <map>
@@ skipping 287 matching lines @@
       scope_(registration->pattern()),
       context_(context),
       script_cache_map_(this, context),
       ping_controller_(new PingController(this)),
       should_exclude_from_uma_(
           ServiceWorkerMetrics::ShouldExcludeURLFromHistogram(scope_)),
       weak_factory_(this) {
   DCHECK_NE(kInvalidServiceWorkerVersionId, version_id);
   DCHECK(context_);
   DCHECK(registration);
+  DCHECK(script_url_.is_valid());
   context_->AddLiveVersion(this);
   embedded_worker_ = context_->embedded_worker_registry()->CreateWorker();
   embedded_worker_->AddListener(this);
 }
 
 ServiceWorkerVersion::~ServiceWorkerVersion() {
   in_dtor_ = true;
 
   // Record UMA if the worker was trying to start. One way we get here is if the
   // user closed the tab before the SW could start up.
@@ skipping 1374 matching lines @@
 void ServiceWorkerVersion::OnBeginEvent() {
   if (should_exclude_from_uma_ || running_status() != RUNNING ||
       idle_time_.is_null()) {
     return;
   }
   ServiceWorkerMetrics::RecordTimeBetweenEvents(base::TimeTicks::Now() -
                                                 idle_time_);
 }
 
 }  // namespace content