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

content/browser/loader/resource_loader.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.
 
 #include "content/browser/loader/resource_loader.h"
 
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/time/time.h"
 #include "content/browser/appcache/appcache_interceptor.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/browser/loader/cross_site_resource_handler.h"
 #include "content/browser/loader/detachable_resource_handler.h"
 #include "content/browser/loader/resource_loader_delegate.h"
 #include "content/browser/loader/resource_request_info_impl.h"
+#include "content/browser/service_worker/service_worker_request_handler.h"
 #include "content/browser/ssl/ssl_client_auth_handler.h"
 #include "content/browser/ssl/ssl_manager.h"
 #include "content/common/ssl_status_serialization.h"
 #include "content/public/browser/cert_store.h"
 #include "content/public/browser/resource_context.h"
 #include "content/public/browser/resource_dispatcher_host_login_delegate.h"
 #include "content/public/browser/signed_certificate_timestamp_store.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/process_type.h"
@@ skipping 20 matching lines @@
   response->head.content_length = request->GetExpectedContentSize();
   request->GetMimeType(&response->head.mime_type);
   net::HttpResponseInfo response_info = request->response_info();
   response->head.was_fetched_via_spdy = response_info.was_fetched_via_spdy;
   response->head.was_npn_negotiated = response_info.was_npn_negotiated;
   response->head.npn_negotiated_protocol =
       response_info.npn_negotiated_protocol;
   response->head.connection_info = response_info.connection_info;
   response->head.was_fetched_via_proxy = request->was_fetched_via_proxy();
   response->head.socket_address = request->GetSocketAddress();
+  if (ServiceWorkerRequestHandler* handler =
+          ServiceWorkerRequestHandler::GetHandler(request)) {
+    handler->GetExtraResponseInfo(
+        &response->head.was_fetched_via_service_worker,
+        &response->head.original_url_via_service_worker);
+  }
   AppCacheInterceptor::GetExtraResponseInfo(
       request,
       &response->head.appcache_id,
       &response->head.appcache_manifest_url);
   // TODO(mmenke):  Figure out if LOAD_ENABLE_LOAD_TIMING is safe to remove.
   if (request->load_flags() & net::LOAD_ENABLE_LOAD_TIMING)
     request->GetLoadTimingInfo(&response->head.load_timing);
 }
 
 }  // namespace
@@ skipping 629 matching lines @@
       case net::URLRequestStatus::FAILED:
         status = STATUS_UNDEFINED;
         break;
     }
 
     UMA_HISTOGRAM_ENUMERATION("Net.Prefetch.Pattern", status, STATUS_MAX);
   }
 }
 
 }  // namespace content