Give URLRequestJob::GetResponseCode a better default implementation.

net/test/url_request/url_request_hanging_read_job.cc

 // Copyright 2016 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/test/url_request/url_request_hanging_read_job.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 47 matching lines @@
                             weak_factory_.GetWeakPtr()));
 }
 
 URLRequestHangingReadJob::~URLRequestHangingReadJob() {}
 
 int URLRequestHangingReadJob::ReadRawData(IOBuffer* buf, int buf_size) {
   // Make read hang. It never completes.
   return ERR_IO_PENDING;
 }
 
-int URLRequestHangingReadJob::GetResponseCode() const {
-  HttpResponseInfo info;
-  GetResponseInfoConst(&info);
-  return info.headers->response_code();
-}
-
 // Public virtual version.
 void URLRequestHangingReadJob::GetResponseInfo(HttpResponseInfo* info) {
   // Forward to private const version.
   GetResponseInfoConst(info);
 }
 
 // Private const version.
 void URLRequestHangingReadJob::GetResponseInfoConst(
     HttpResponseInfo* info) const {
   // Send back mock headers.
@@ skipping 28 matching lines @@
 GURL URLRequestHangingReadJob::GetMockHttpUrl() {
   return GetMockUrl("http", kMockHostname);
 }
 
 // static
 GURL URLRequestHangingReadJob::GetMockHttpsUrl() {
   return GetMockUrl("https", kMockHostname);
 }
 
 }  // namespace net