Create chrome://serviceworker-internals

content/browser/service_worker/service_worker_context_core.h

Index: content/browser/service_worker/service_worker_context_core.h
diff --git a/content/browser/service_worker/service_worker_context_core.h b/content/browser/service_worker/service_worker_context_core.h
index 7fe327526fa5697f8832dedba04476bdce6656f0..0863cf5ce15bf2066a034c086f77cf08d1175d2c 100644
--- a/content/browser/service_worker/service_worker_context_core.h
+++ b/content/browser/service_worker/service_worker_context_core.h
@@ -6,12 +6,14 @@
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_CORE_H_
 
 #include <map>
+#include <vector>
 
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/id_map.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
+#include "content/browser/service_worker/service_worker_info.h"
 #include "content/browser/service_worker/service_worker_provider_host.h"
 #include "content/browser/service_worker/service_worker_registration_status.h"
 #include "content/browser/service_worker/service_worker_storage.h"
@@ -48,6 +50,8 @@ class CONTENT_EXPORT ServiceWorkerContextCore
                               int64 registration_id)> RegistrationCallback;
   typedef base::Callback<
       void(ServiceWorkerStatusCode status)> UnregistrationCallback;
+  typedef base::Callback<void(
+      const std::vector<ServiceWorkerRegistrationInfo>& info)> InfoCallback;
 
   // This is owned by the StoragePartition, which will supply it with
   // the local path on disk. Given an empty |user_data_directory|,