Revert Implement <select> Popup Menu using PagePopup

Source/web/DateTimeChooserImpl.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 37 matching lines @@
 
     // DateTimeChooser functions:
     virtual void endChooser() override;
     virtual AXObject* rootAXObject() override;
 
 private:
     DateTimeChooserImpl(ChromeClientImpl*, DateTimeChooserClient*, const DateTimeChooserParameters&);
     // PagePopupClient functions:
     virtual IntSize contentSize() override;
     virtual void writeDocument(SharedBuffer*) override;
-    virtual void didWriteDocument(Document&) override { }
     virtual Locale& locale() override;
     virtual void setValueAndClosePopup(int, const String&) override;
     virtual void setValue(const String&) override;
     virtual void closePopup() override;
     virtual Element& ownerElement() override;
     virtual void didClosePopup() override;
 
     ChromeClientImpl* m_chromeClient;
     DateTimeChooserClient* m_client;
     PagePopup* m_popup;
     DateTimeChooserParameters m_parameters;
     OwnPtr<Locale> m_locale;
 };
 
 }
 
 #endif // ENABLE(INPUT_MULTIPLE_FIELDS_UI)
 
 #endif // DateTimeChooserImpl_h