Trigger redirect for offline pages

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"
 #include "base/memory/weak_ptr.h"
+#include "base/time/time.h"
 #include "content/public/browser/resource_request_info.h"
 #include "content/public/common/resource_type.h"
 #include "net/url_request/url_request_file_job.h"
 
 namespace base {
 class FilePath;
 }
 
 namespace previews {
 class PreviewsDecider;
@@ skipping 53 matching lines @@
   static OfflinePageRequestJob* Create(
       net::URLRequest* request,
       net::NetworkDelegate* network_delegate,
       previews::PreviewsDecider* previews_decider);
 
   ~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;
 
   void OnOfflineFilePathAvailable(const base::FilePath& offline_file_path);
   void OnOfflineRedirectAvailabe(const GURL& redirected_url);
 
   void SetDelegateForTesting(std::unique_ptr<Delegate> delegate);
 
  private:
   OfflinePageRequestJob(net::URLRequest* request,
                         net::NetworkDelegate* network_delegate,
                         previews::PreviewsDecider* previews_decider);
 
   void StartAsync();
 
   // Restarts the request job in order to fall back to the default handling.
   void FallbackToDefault();
 
   std::unique_ptr<Delegate> delegate_;
 
+  // For redirect simulation.
+  scoped_refptr<net::HttpResponseHeaders> fake_headers_for_redirect_;
+  base::TimeTicks receive_redirect_headers_end_;
+  base::Time redirect_response_time_;
+
   // Used to determine if an URLRequest is eligible for offline previews.
   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_