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

content/public/common/resource_response_info.cc

 // 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 "content/public/common/resource_response_info.h"
 
 #include "content/public/common/appcache_info.h"
 #include "net/http/http_response_headers.h"
 
 namespace content {
 
 ResourceResponseInfo::ResourceResponseInfo()
     : content_length(-1),
       encoded_data_length(-1),
       appcache_id(kAppCacheNoCacheId),
       was_fetched_via_spdy(false),
       was_npn_negotiated(false),
       was_alternate_protocol_available(false),
       connection_info(net::HttpResponseInfo::CONNECTION_INFO_UNKNOWN),
-      was_fetched_via_proxy(false) {
+      was_fetched_via_proxy(false),
+      was_fetched_via_service_worker(false) {
 }
 
 ResourceResponseInfo::~ResourceResponseInfo() {
 }
 
 }  // namespace content