Create chrome://serviceworker-internals

content/browser/service_worker/service_worker_storage.cc

Index: content/browser/service_worker/service_worker_storage.cc
diff --git a/content/browser/service_worker/service_worker_storage.cc b/content/browser/service_worker/service_worker_storage.cc
index 92af988515594d1e840563372f7d8acf2ec5ea25..087ab45d7ceea864467fba9d3a81dc6de2d1fd97 100644
--- a/content/browser/service_worker/service_worker_storage.cc
+++ b/content/browser/service_worker/service_worker_storage.cc
@@ -9,6 +9,7 @@
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_util.h"
 #include "content/browser/service_worker/service_worker_registration.h"
+#include "content/public/browser/browser_thread.h"
 #include "webkit/browser/quota/quota_manager_proxy.h"
 
 namespace content {
@@ -80,6 +81,22 @@ void ServiceWorkerStorage::FindRegistrationForDocument(
   RunSoon(base::Bind(callback, status, found));
 }
 
+void ServiceWorkerStorage::FindAllRegistrations(
+    const FindAllRegistrationsCallback& callback) {
+  scoped_ptr<std::vector<ServiceWorkerRegistration*> > registrations =
+      make_scoped_ptr(new std::vector<ServiceWorkerRegistration*>);
+  for (PatternToRegistrationMap::const_iterator it =
+           registration_by_pattern_.begin();
+       it != registration_by_pattern_.end();
+       ++it) {
+    registrations->push_back(it->second);
+  }
+
+  BrowserThread::PostTask(BrowserThread::IO,
+                          FROM_HERE,
+                          base::Bind(callback, base::Passed(&registrations)));
+}
+
 void ServiceWorkerStorage::StoreRegistration(
     ServiceWorkerRegistration* registration,
     const StatusCallback& callback) {