[ServiceWorker] Add was_fallback_required flag to ResourceResponseInfo. [2/2 chromium]

content/public/common/resource_response_info.h

Index: content/public/common/resource_response_info.h
diff --git a/content/public/common/resource_response_info.h b/content/public/common/resource_response_info.h
index 49b781cfefd57cf6b2d1c7139d66ee8b754a5751..c947ffb71e20e153db82d780e4c503e986ce8d1c 100644
--- a/content/public/common/resource_response_info.h
+++ b/content/public/common/resource_response_info.h
@@ -101,6 +101,12 @@ struct ResourceResponseInfo {
   // True if the response was fetched by a ServiceWorker.
   bool was_fetched_via_service_worker;
 
+  // True when the request whoes mode is |CORS| or |CORS-with-forced-preflight|
+  // is sent to a ServiceWorker but FetchEvent.respondWith is not called. So the
+  // renderer have to resend the request with skip service worker flag
+  // considering the CORS preflight logic.
+  bool was_fallback_required_by_service_worker;
+
   // The original URL of the response which was fetched by the ServiceWorker.
   // This may be empty if the response was created inside the ServiceWorker.
   GURL original_url_via_service_worker;