Remove IDBCursorBackendInterface::deleteFunction (part 2/3)

content/browser/indexed_db/indexed_db_cursor.h

 // Copyright (c) 2013 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 CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CURSOR_H_
 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CURSOR_H_
 
 #include "base/memory/ref_counted.h"
 #include "content/common/indexed_db/indexed_db_key.h"
 
 namespace content {
 
 class IndexedDBCallbacksWrapper;
 
 class IndexedDBCursor : public base::RefCounted<IndexedDBCursor> {
  public:
   virtual void Advance(unsigned long count,
                        scoped_refptr<IndexedDBCallbacksWrapper> callbacks) = 0;
   virtual void ContinueFunction(
       scoped_ptr<IndexedDBKey> key,
       scoped_refptr<IndexedDBCallbacksWrapper> callbacks) = 0;
-  virtual void DeleteFunction(
-      scoped_refptr<IndexedDBCallbacksWrapper> callbacks) = 0;
   virtual void PrefetchContinue(
       int number_to_fetch,
       scoped_refptr<IndexedDBCallbacksWrapper> callbacks) = 0;
   virtual void PrefetchReset(int used_prefetches, int unused_prefetches) = 0;
   virtual void PostSuccessHandlerCallback() = 0;
 
  protected:
   virtual ~IndexedDBCursor() {}
   friend class base::RefCounted<IndexedDBCursor>;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CURSOR_H_