Remove IDBCursorBackendInterface::deleteFunction (part 2/3)

content/browser/indexed_db/webidbcursor_impl.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_WEBIDBCURSOR_IMPL_H_
 #define CONTENT_BROWSER_INDEXED_DB_WEBIDBCURSOR_IMPL_H_
 
 #include "base/memory/ref_counted.h"
 #include "third_party/WebKit/public/platform/WebIDBCursor.h"
 
 namespace content {
 class IndexedDBCursor;
 
 class WebIDBCursorImpl : public WebKit::WebIDBCursor {
  public:
   explicit WebIDBCursorImpl(scoped_refptr<IndexedDBCursor> cursor);
   virtual ~WebIDBCursorImpl();
 
   virtual void advance(unsigned long, WebKit::WebIDBCallbacks* callbacks);
   virtual void continueFunction(const WebKit::WebIDBKey& key,
                                 WebKit::WebIDBCallbacks* callbacks);
-  virtual void deleteFunction(WebKit::WebIDBCallbacks* callbacks);
   virtual void prefetchContinue(int number_to_fetch,
                                 WebKit::WebIDBCallbacks* callbacks);
   virtual void prefetchReset(int used_prefetches, int unused_prefetches);
 
  private:
   scoped_refptr<IndexedDBCursor> idb_cursor_backend_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_WEBIDBCURSOR_IMPL_H_