[ServiceWorker] Fetch event should return integrity value

third_party/WebKit/Source/platform/mojo/FetchAPIRequestStructTraits.h

 // Copyright 2017 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 FetchAPIRequestStructTraits_h
 #define FetchAPIRequestStructTraits_h
 
 #include "platform/wtf/text/WTFString.h"
 #include "public/platform/WebURLRequest.h"
 #include "public/platform/modules/fetch/fetch_api_request.mojom-blink.h"
@@ skipping 98 matching lines @@
   static blink::WebURLRequest::FetchCredentialsMode credentials_mode(
       const blink::WebServiceWorkerRequest& request) {
     return request.CredentialsMode();
   }
 
   static blink::WebURLRequest::FetchRedirectMode redirect_mode(
       const blink::WebServiceWorkerRequest& request) {
     return request.RedirectMode();
   }
 
+  static WTF::String integrity(const blink::WebServiceWorkerRequest&);
   static WTF::String client_id(const blink::WebServiceWorkerRequest&);
 
   static bool is_reload(const blink::WebServiceWorkerRequest& request) {
     return request.IsReload();
   }
 
   // The |fetch_type| is not used by Blink yet.
   static blink::mojom::blink::ServiceWorkerFetchType fetch_type(
       const blink::WebServiceWorkerRequest& request) {
     return blink::mojom::blink::ServiceWorkerFetchType::FETCH;
   }
 
   static bool Read(blink::mojom::FetchAPIRequestDataView,
                    blink::WebServiceWorkerRequest* output);
 };
 
 }  // namespace mojo
 
 #endif  // FetchAPIRequestStructTraits_h