Give URLRequestJob::GetResponseCode a better default implementation.

net/url_request/url_request_job.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 "net/url_request/url_request_job.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 316 matching lines @@
   RedirectInfo redirect_info = deferred_redirect_info_;
   deferred_redirect_info_ = RedirectInfo();
   FollowRedirect(redirect_info);
 }
 
 bool URLRequestJob::GetMimeType(std::string* mime_type) const {
   return false;
 }
 
 int URLRequestJob::GetResponseCode() const {
-  return -1;
+  HttpResponseHeaders* headers = request_->response_headers();
+  if (!headers)
+    return -1;
+  return headers->response_code();
 }
 
 HostPortPair URLRequestJob::GetSocketAddress() const {
   return HostPortPair();
 }
 
 void URLRequestJob::OnSuspend() {
   // Most errors generated by the Job come as the result of the one current
   // operation the job is waiting on returning an error. This event is unusual
   // in that the Job may have another operation ongoing, or the Job may be idle
@@ skipping 502 matching lines @@
   int64_t total_sent_bytes = GetTotalSentBytes();
   DCHECK_GE(total_sent_bytes, last_notified_total_sent_bytes_);
   if (total_sent_bytes > last_notified_total_sent_bytes_) {
     network_delegate_->NotifyNetworkBytesSent(
         request_, total_sent_bytes - last_notified_total_sent_bytes_);
   }
   last_notified_total_sent_bytes_ = total_sent_bytes;
 }
 
 }  // namespace net