Skip foreign fetch when the skipServiceWorker flag is set on a request.

content/common/resource_request.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_COMMON_RESOURCE_REQUEST_H_
 #define CONTENT_COMMON_RESOURCE_REQUEST_H_
 
 #include <stdint.h>
 #include <string>
 
@@ skipping 75 matching lines @@
   bool should_reset_appcache = false;
 
   // Indicates which frame (or worker context) the request is being loaded into,
   // or kInvalidServiceWorkerProviderId.
   int service_worker_provider_id = kInvalidServiceWorkerProviderId;
 
   // True if the request originated from a Service Worker, e.g. due to a
   // fetch() in the Service Worker script.
   bool originated_from_service_worker = false;
 
-  // True if the request should not be handled by the ServiceWorker.
-  bool skip_service_worker = false;
+  // Indicates which types of ServiceWorkers should skip handling this request.
+  SkipServiceWorker skip_service_worker = SkipServiceWorker::NONE;
 
   // The request mode passed to the ServiceWorker.
   FetchRequestMode fetch_request_mode = FETCH_REQUEST_MODE_SAME_ORIGIN;
 
   // The credentials mode passed to the ServiceWorker.
   FetchCredentialsMode fetch_credentials_mode = FETCH_CREDENTIALS_MODE_OMIT;
 
   // The redirect mode used in Fetch API.
   FetchRedirectMode fetch_redirect_mode = FetchRedirectMode::FOLLOW_MODE;
 
@@ skipping 63 matching lines @@
   // browser.
   GURL resource_body_stream_url;
 
   // Wether or not the initiator of this request is a secure context.
   bool initiated_in_secure_context = false;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_RESOURCE_REQUEST_H_