Adds class ServiceWorkerScriptCacheMap and new ServiceWorkerVersion::Listener methods related to sc…

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 4ec5ea3a2ec81d2b3fe97fa89147150443c5ad6a..726d43fb27237036e4ecc0b9541438e84a374c15 100644
--- a/content/browser/service_worker/service_worker_context_core.h
+++ b/content/browser/service_worker/service_worker_context_core.h
@@ -109,6 +109,10 @@ class CONTENT_EXPORT ServiceWorkerContextCore
                                       const base::string16& message,
                                       int line_number,
                                       const GURL& source_url) OVERRIDE;
+  virtual void OnMainScriptCached(ServiceWorkerVersion* version,
+                                  bool success) OVERRIDE {}
+  virtual void OnAllScriptsCached(ServiceWorkerVersion* version,
+                                  bool success) OVERRIDE  {}
 
   ServiceWorkerStorage* storage() { return storage_.get(); }
   ServiceWorkerProcessManager* process_manager() {