[ServiceWorker] Fetch event should return integrity value

third_party/WebKit/Source/modules/fetch/FetchRequestData.cpp

 // Copyright 2014 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 "modules/fetch/FetchRequestData.h"
 
 #include "core/dom/ExecutionContext.h"
 #include "core/loader/ThreadableLoader.h"
 #include "modules/credentialmanager/PasswordCredential.h"
 #include "modules/fetch/BlobBytesConsumer.h"
@@ skipping 30 matching lines @@
   }
   request->SetContext(web_request.GetRequestContext());
   request->SetReferrer(
       Referrer(web_request.ReferrerUrl().GetString(),
                static_cast<ReferrerPolicy>(web_request.GetReferrerPolicy())));
   request->SetMode(web_request.Mode());
   request->SetCredentials(web_request.CredentialsMode());
   request->SetCacheMode(web_request.CacheMode());
   request->SetRedirect(web_request.RedirectMode());
   request->SetMIMEType(request->header_list_->ExtractMIMEType());
+  request->SetIntegrity(web_request.Integrity());
   return request;
 }
 
 FetchRequestData* FetchRequestData::CloneExceptBody() {
   FetchRequestData* request = FetchRequestData::Create();
   request->url_ = url_;
   request->method_ = method_;
   request->header_list_ = header_list_->Clone();
   request->unsafe_request_flag_ = unsafe_request_flag_;
   request->origin_ = origin_;
@@ skipping 54 matching lines @@
   if (credentials_ != WebURLRequest::kFetchCredentialsModePassword)
     attached_credential_.Clear();
 }
 
 DEFINE_TRACE(FetchRequestData) {
   visitor->Trace(buffer_);
   visitor->Trace(header_list_);
 }
 
 }  // namespace blink