Pages controlled by ServiceWorkers should not participate in AppCaching

content/browser/service_worker/service_worker_request_handler.h

Index: content/browser/service_worker/service_worker_request_handler.h
diff --git a/content/browser/service_worker/service_worker_request_handler.h b/content/browser/service_worker/service_worker_request_handler.h
index 4e03fbc0a543f134451b0279d26c32e156dfd764..c361b3cbcd0771455ba441fae6a97e1392f5a030 100644
--- a/content/browser/service_worker/service_worker_request_handler.h
+++ b/content/browser/service_worker/service_worker_request_handler.h
@@ -60,6 +60,12 @@ class CONTENT_EXPORT ServiceWorkerRequestHandler
   // Creates a protocol interceptor for ServiceWorker.
   static scoped_ptr<net::URLRequestInterceptor> CreateInterceptor();
 
+  // Returns true if the request falls into the scope of a ServiceWorker.
+  // It's only reliable after the ServiceWorkerRequestHandler MaybeCreateJob
+  // method run to completion for this request. The AppCache handler uses
+  // this to avoid colliding with ServiceWorkers.
+  static bool IsControlledByServiceWorker(net::URLRequest* request);
+
   virtual ~ServiceWorkerRequestHandler();
 
   // Called via custom URLRequestJobFactory.