Remove URLRequestJob::GetResponseCode implementations

chrome/browser/android/offline_pages/offline_page_request_job.h

 // 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.
 
 #ifndef CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_REQUEST_JOB_H_
 #define CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_REQUEST_JOB_H_
 
 #include <memory>
 
 #include "base/memory/ref_counted.h"
@@ skipping 73 matching lines @@
 
   ~OfflinePageRequestJob() override;
 
   // net::URLRequestJob overrides:
   void Start() override;
   void Kill() override;
   bool IsRedirectResponse(GURL* location, int* http_status_code) override;
   void GetResponseInfo(net::HttpResponseInfo* info) override;
   void GetLoadTimingInfo(net::LoadTimingInfo* load_timing_info) const override;
   bool CopyFragmentOnRedirect(const GURL& location) const override;
-  int GetResponseCode() const override;
 
   // net::URLRequestFileJob overrides:
   void OnOpenComplete(int result) override;
   void OnSeekComplete(int64_t result) override;
   void OnReadComplete(net::IOBuffer* buf, int result) override;
 
   void OnOfflineFilePathAvailable(const base::FilePath& offline_file_path);
   void OnOfflineRedirectAvailabe(const GURL& redirected_url);
 
   void SetDelegateForTesting(std::unique_ptr<Delegate> delegate);
@@ skipping 19 matching lines @@
   previews::PreviewsDecider* previews_decider_;
 
   base::WeakPtrFactory<OfflinePageRequestJob> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(OfflinePageRequestJob);
 };
 
 }  // namespace offline_pages
 
 #endif  // CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_REQUEST_JOB_H_