Create chrome://serviceworker-internals

content/browser/service_worker/service_worker_version.h

Index: content/browser/service_worker/service_worker_version.h
diff --git a/content/browser/service_worker/service_worker_version.h b/content/browser/service_worker/service_worker_version.h
index d74b642bbe44ee14546654048bd9d6d98beb1124..d1467793ab60a6cac93d754782411b8cd3343a2c 100644
--- a/content/browser/service_worker/service_worker_version.h
+++ b/content/browser/service_worker/service_worker_version.h
@@ -24,6 +24,7 @@ namespace content {
 
 class EmbeddedWorkerRegistry;
 class ServiceWorkerRegistration;
+class ServiceWorkerVersionInfo;
 
 // This class corresponds to a specific version of a ServiceWorker
 // script for a given pattern. When a script is upgraded, there may be
@@ -81,6 +82,8 @@ class CONTENT_EXPORT ServiceWorkerVersion
     return static_cast<RunningStatus>(embedded_worker_->status());
   }
 
+  ServiceWorkerVersionInfo GetInfo();
+
   Status status() const { return status_; }
   void set_status(Status status) { status_ = status; }