[ServiceWorker] Propagates ServiceWorker fetched response's URL and wasFetchedViaServiceWorker flag.

content/child/resource_dispatcher.cc

 // Copyright (c) 2012 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.
 
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
 
 #include "content/child/resource_dispatcher.h"
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 340 matching lines @@
   request_info->response_start = ConsumeIOTimestamp();
 
   if (delegate_) {
     RequestPeer* new_peer =
         delegate_->OnReceivedResponse(
             request_info->peer, response_head.mime_type, request_info->url);
     if (new_peer)
       request_info->peer = new_peer;
   }
 
+  // Updates the response_url if the response was feched via ServiceWorker, and
+  // it was not generated inside the SherviceWorker.
+  if (response_head.was_fetched_via_service_worker &&
+      !response_head.original_url_via_service_worker.is_empty()) {
+    request_info->response_url = response_head.original_url_via_service_worker;
+  }
+
   ResourceResponseInfo renderer_response_info;
   ToResourceResponseInfo(*request_info, response_head, &renderer_response_info);
   request_info->site_isolation_metadata =
       SiteIsolationPolicy::OnReceivedResponse(request_info->frame_origin,
                                               request_info->response_url,
                                               request_info->resource_type,
                                               request_info->origin_pid,
                                               renderer_response_info);
   request_info->peer->OnReceivedResponse(renderer_response_info);
 }
@@ skipping 481 matching lines @@
 void ResourceDispatcher::ReleaseResourcesInMessageQueue(MessageQueue* queue) {
   while (!queue->empty()) {
     IPC::Message* message = queue->front();
     ReleaseResourcesInDataMessage(*message);
     queue->pop_front();
     delete message;
   }
 }
 
 }  // namespace content