Remove OfflineURL from offline page

components/offline_pages/downloads/download_ui_adapter.h

Index: components/offline_pages/downloads/download_ui_adapter.h
diff --git a/components/offline_pages/downloads/download_ui_adapter.h b/components/offline_pages/downloads/download_ui_adapter.h
index a8ea99be966218913d20a2441b1f309a78e3f666..1a5e9745269f167b3a95f367e6a431dbbf9f665d 100644
--- a/components/offline_pages/downloads/download_ui_adapter.h
+++ b/components/offline_pages/downloads/download_ui_adapter.h
@@ -72,7 +72,6 @@ class DownloadUIAdapter : public OfflinePageModel::Observer,
   // Commands from UI. Start async operations, result is observable
   // via Observer or directly by the user (as in 'open').
   void DeleteItem(const std::string& guid);
-  GURL GetOfflineUrlByGuid(const std::string& guid) const;
 
   // OfflinePageModel::Observer
   void OfflinePageModelLoaded(OfflinePageModel* model) override;
@@ -94,7 +93,6 @@ class DownloadUIAdapter : public OfflinePageModel::Observer,
     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);