Track original URL when downloading a redirected page

components/offline_pages/core/background/save_page_request.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 COMPONENTS_OFFLINE_PAGES_CORE_BACKGROUND_SAVE_PAGE_REQUEST_H_
 #define COMPONENTS_OFFLINE_PAGES_CORE_BACKGROUND_SAVE_PAGE_REQUEST_H_
 
 #include <stdint.h>
 
 #include "base/time/time.h"
@@ skipping 69 matching lines @@
   void set_last_attempt_time(const base::Time& last_attempt_time) {
     last_attempt_time_ = last_attempt_time;
   }
 
   bool user_requested() const { return user_requested_; }
 
   void set_user_requested(bool user_requested) {
     user_requested_ = user_requested;
   }
 
+  const GURL& original_url() const { return original_url_; }
+  void set_original_url(const GURL& original_url) {
+    original_url_ = original_url;
+  }
+
  private:
   // ID of this request.
   int64_t request_id_;
 
   // Online URL of a page to be offlined.
   GURL url_;
 
   // Client ID related to the request. Contains namespace and ID assigned by the
   // requester.
   ClientId client_id_;
@@ skipping 13 matching lines @@
 
   // Timestamp of the last request starting.
   base::Time last_attempt_time_;
 
   // Whether the user specifically requested this page (as opposed to a client
   // like AGSA or Now.)
   bool user_requested_;
 
   // The current state of this request
   RequestState state_;
+
+  // The original URL of the page to be offlined. Empty if no redirect occurs.
+  GURL original_url_;
 };
 
 }  // namespace offline_pages
 
 #endif  // COMPONENTS_OFFLINE_PAGES_CORE_BACKGROUND_SAVE_PAGE_REQUEST_H_