[ServiceWorker] Fetch event should return integrity value

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 97 matching lines @@
 
   // 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;
 
+  // The integrity used in Fetch API.
+  std::string fetch_integrity;
+
   // The request context passed to the ServiceWorker.
   RequestContextType fetch_request_context_type =
       REQUEST_CONTEXT_TYPE_UNSPECIFIED;
 
   // The mixed content context type to be used for mixed content checks.
   blink::WebMixedContentContextType fetch_mixed_content_context_type =
       blink::WebMixedContentContextType::kBlockable;
 
   // The frame type passed to the ServiceWorker.
   RequestContextFrameType fetch_frame_type =
@@ skipping 66 matching lines @@
   bool initiated_in_secure_context = false;
 
   // The response should be downloaded and stored in the network cache, but not
   // sent back to the renderer.
   bool download_to_network_cache_only = false;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_RESOURCE_REQUEST_H_