[ServiceWorker] Fetch event should return integrity value

content/common/service_worker/service_worker_fetch_request_struct_traits.cc

 // 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.
 
 #include "content/common/service_worker/service_worker_fetch_request_struct_traits.h"
 
 #include "base/logging.h"
 #include "content/public/common/referrer_struct_traits.h"
 #include "url/mojo/url_gurl_struct_traits.h"
 
@@ skipping 424 matching lines @@
          content::ServiceWorkerFetchRequest* out) {
   std::unordered_map<std::string, std::string> headers;
   base::Optional<std::string> blob_uuid;
   if (!data.ReadMode(&out->mode) ||
       !data.ReadRequestContextType(&out->request_context_type) ||
       !data.ReadFrameType(&out->frame_type) || !data.ReadUrl(&out->url) ||
       !data.ReadMethod(&out->method) || !data.ReadHeaders(&headers) ||
       !data.ReadBlobUuid(&blob_uuid) || !data.ReadReferrer(&out->referrer) ||
       !data.ReadCredentialsMode(&out->credentials_mode) ||
       !data.ReadRedirectMode(&out->redirect_mode) ||
+      !data.ReadIntegrity(&out->integrity) ||
       !data.ReadClientId(&out->client_id) ||
       !data.ReadFetchType(&out->fetch_type)) {
     return false;
   }
 
   out->is_main_resource_load = data.is_main_resource_load();
   out->headers.insert(headers.begin(), headers.end());
   if (blob_uuid) {
     out->blob_uuid = blob_uuid.value();
     out->blob_size = data.blob_size();
   }
   out->is_reload = data.is_reload();
   return true;
 }
 
 }  // namespace mojo