Create chrome://serviceworker-internals

content/browser/service_worker/service_worker_storage.h

Index: content/browser/service_worker/service_worker_storage.h
diff --git a/content/browser/service_worker/service_worker_storage.h b/content/browser/service_worker/service_worker_storage.h
index 181f724205f9e872f0a8d9617105d65b2bb4d06e..bf15c84c869473529b605a69addc690352e26d4e 100644
--- a/content/browser/service_worker/service_worker_storage.h
+++ b/content/browser/service_worker/service_worker_storage.h
@@ -6,6 +6,7 @@
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_STORAGE_H_
 
 #include <map>
+#include <vector>
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
@@ -45,6 +46,11 @@ class CONTENT_EXPORT ServiceWorkerStorage {
   void FindRegistrationForPattern(const GURL& pattern,
                                   const FindRegistrationCallback& callback);
 
+  typedef base::Callback<
+      void(scoped_ptr<std::vector<ServiceWorkerRegistration*> > registrations)>
+      FindAllRegistrationsCallback;
+  void FindAllRegistrations(const FindAllRegistrationsCallback& callback);
+
   // Stores |registration|. Returns SERVICE_WORKER_ERROR_EXISTS if
   // conflicting registration (which has different script_url) is
   // already registered for the |registration|->pattern().