ServiceWorker: Remove URLRequestJob::GetResponseCode implementations.

content/browser/service_worker/service_worker_url_request_job.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/browser/service_worker/service_worker_url_request_job.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
@@ skipping 329 matching lines @@
   *info = *http_info();
   info->request_time = request_time;
   info->response_time = response_time_;
 }
 
 void ServiceWorkerURLRequestJob::GetLoadTimingInfo(
     net::LoadTimingInfo* load_timing_info) const {
   *load_timing_info = load_timing_info_;
 }
 
-int ServiceWorkerURLRequestJob::GetResponseCode() const {
-  if (!http_info())
-    return -1;
-  return http_info()->headers->response_code();
-}
-
 void ServiceWorkerURLRequestJob::SetExtraRequestHeaders(
     const net::HttpRequestHeaders& headers) {
   std::string range_header;
   std::vector<net::HttpByteRange> ranges;
   if (!headers.GetHeader(net::HttpRequestHeaders::kRange, &range_header) ||
       !net::HttpUtil::ParseRangeHeader(range_header, &ranges)) {
     return;
   }
 
   // We don't support multiple range requests in one single URL request.
@@ skipping 544 matching lines @@
   DCHECK(!reported_navigation_preload_metrics_);
   reported_navigation_preload_metrics_ = true;
 
   ServiceWorkerMetrics::RecordNavigationPreloadResponse(
       worker_ready_time_ - worker_start_time_,
       navigation_preload_response_time_ - worker_start_time_,
       initial_worker_status_, worker_start_situation_);
 }
 
 }  // namespace content