[Offline pages] Clean up unnecessary DeleteAll calls in offline internals

chrome/browser/ui/webui/offline/offline_internals_ui_message_handler.h

Index: chrome/browser/ui/webui/offline/offline_internals_ui_message_handler.h
diff --git a/chrome/browser/ui/webui/offline/offline_internals_ui_message_handler.h b/chrome/browser/ui/webui/offline/offline_internals_ui_message_handler.h
index a1c99b162f8831b1f420c200b9c39f5e148542db..40d853b0180c2d9b55725ea8dd7533e88314ef9c 100644
--- a/chrome/browser/ui/webui/offline/offline_internals_ui_message_handler.h
+++ b/chrome/browser/ui/webui/offline/offline_internals_ui_message_handler.h
@@ -24,15 +24,9 @@ class OfflineInternalsUIMessageHandler : public content::WebUIMessageHandler {
   void RegisterMessages() override;
 
  private:
-  // Deletes all the pages in the store.
-  void HandleDeleteAllPages(const base::ListValue* args);
-
   // Delete selected list of page ids from the store.
   void HandleDeleteSelectedPages(const base::ListValue* args);
 
-  // Deletes all the requests in the request queue.
-  void HandleDeleteAllRequests(const base::ListValue* args);
-
   // Delete selected list of requests from the request queue.
   void HandleDeleteSelectedRequests(const base::ListValue* args);
 
@@ -60,11 +54,6 @@ class OfflineInternalsUIMessageHandler : public content::WebUIMessageHandler {
   // Load whether device is currently offline.
   void HandleGetNetworkStatus(const base::ListValue* args);
 
-  // Callback used by DeleteAllRequests to get the request_ids to delete.
-  void HandleGetAllRequestsForDeleteCallback(
-      std::string callback_id,
-      std::vector<std::unique_ptr<offline_pages::SavePageRequest>> requests);
-
   // Callback for async GetAllPages calls.
   void HandleStoredPagesCallback(
       std::string callback_id,