Remove OfflineURL from offline page

components/offline_pages/downloads/download_ui_adapter.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_PAGE_DOWNLOADS_DOWNLOAD_UI_ADAPTER_H_
 #define COMPONENTS_OFFLINE_PAGE_DOWNLOADS_DOWNLOAD_UI_ADAPTER_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 80 matching lines @@
     LOADED
   };
 
   struct ItemInfo {
     explicit ItemInfo(const OfflinePageItem& page);
     ~ItemInfo();
 
     std::unique_ptr<DownloadUIItem> ui_item;
     // Additional cached data, not exposed to UI through DownloadUIItem.
     int64_t offline_id;
-    GURL offline_url;
 
    private:
     DISALLOW_COPY_AND_ASSIGN(ItemInfo);
   };
 
   typedef std::map<std::string, std::unique_ptr<ItemInfo>> DownloadUIItems;
 
   void LoadCache();
   void ClearCache();
 
@@ skipping 16 matching lines @@
   int observers_count_;
 
   base::WeakPtrFactory<DownloadUIAdapter> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadUIAdapter);
 };
 
 }  // namespace offline_pages
 
 #endif  // COMPONENTS_OFFLINE_PAGE_DOWNLOADS_DOWNLOAD_UI_ADAPTER_H_