Update installed ServiceWorkers.

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 "base/stl_util.h"
 #include "content/browser/message_port_message_filter.h"
 #include "content/browser/service_worker/service_worker_context_core.h"
 #include "content/browser/service_worker/service_worker_context_request_handler.h"
@@ skipping 12 matching lines @@
     int process_id, int provider_id,
     base::WeakPtr<ServiceWorkerContextCore> context,
     ServiceWorkerDispatcherHost* dispatcher_host)
     : process_id_(process_id),
       provider_id_(provider_id),
       context_(context),
       dispatcher_host_(dispatcher_host) {
 }
 
 ServiceWorkerProviderHost::~ServiceWorkerProviderHost() {
+  // Clear docurl so the deferred activation of a waiting worker
+  // won't associate the new version with a provider being destroyed.
+  document_url_ = GURL();
   if (controlling_version_)
     controlling_version_->RemoveControllee(this);
   if (active_version_)
     active_version_->RemovePotentialControllee(this);
   if (waiting_version_)
     waiting_version_->RemovePotentialControllee(this);
   if (installing_version_)
     installing_version_->RemovePotentialControllee(this);
 }
 
@@ skipping 185 matching lines @@
     dispatcher_host_->RegisterServiceWorkerHandle(handle.Pass());
   }
   return info;
 }
 
 bool ServiceWorkerProviderHost::IsContextAlive() {
   return context_ != NULL;
 }
 
 }  // namespace content