Create chrome://serviceworker-internals

content/browser/service_worker/service_worker_version.cc

Index: content/browser/service_worker/service_worker_version.cc
diff --git a/content/browser/service_worker/service_worker_version.cc b/content/browser/service_worker/service_worker_version.cc
index c4cd44b6d71205ca68628a8e775e06874f08507a..3326f96e534a43c13d8cb45a5f9a967d777c92ad 100644
--- a/content/browser/service_worker/service_worker_version.cc
+++ b/content/browser/service_worker/service_worker_version.cc
@@ -10,6 +10,7 @@
 #include "content/browser/service_worker/service_worker_context_core.h"
 #include "content/browser/service_worker/service_worker_registration.h"
 #include "content/common/service_worker/service_worker_messages.h"
+#include "content/public/browser/browser_thread.h"
 
 namespace content {
 
@@ -115,6 +116,13 @@ void ServiceWorkerVersion::Shutdown() {
   }
 }
 
+ServiceWorkerVersionInfo ServiceWorkerVersion::GetInfo() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  return ServiceWorkerVersionInfo(status(),
+                                  embedded_worker()->process_id(),

[michaeln, 2014/03/06 23:31:49]

according to the ctor and dtor, embedded_worker_ may be null but i see
everything else in here depends on it being non-null too... ok

+                                  embedded_worker()->thread_id());
+}
+
 void ServiceWorkerVersion::StartWorker(const StatusCallback& callback) {
   DCHECK(!is_shutdown_);
   DCHECK(embedded_worker_);