Reapply the patch r191685 with fixing the regression issue.

Source/core/html/HTMLTextFormControlElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2009, 2010, 2011 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 116 matching lines @@
     void restoreCachedSelection();
 
     virtual void defaultEventHandler(Event*) override;
     virtual void subtreeHasChanged() = 0;
 
     void setLastChangeWasNotUserEdit() { m_lastChangeWasUserEdit = false; }
 
     String valueWithHardLineBreaks() const;
 
     virtual bool shouldDispatchFormControlChangeEvent(String&, String&);
+    virtual void copyNonAttributePropertiesFromElement(const Element&) override;
 
 private:
     int computeSelectionStart() const;
     int computeSelectionEnd() const;
     TextFieldSelectionDirection computeSelectionDirection() const;
 
     virtual void dispatchFocusEvent(Element* oldFocusedElement, WebFocusType) override final;
     virtual void dispatchBlurEvent(Element* newFocusedElement, WebFocusType) override final;
     void scheduleSelectEvent();
 
@@ skipping 20 matching lines @@
 }
 
 DEFINE_HTMLELEMENT_TYPE_CASTS_WITH_FUNCTION(HTMLTextFormControlElement);
 
 HTMLTextFormControlElement* enclosingTextFormControl(const Position&);
 HTMLTextFormControlElement* enclosingTextFormControl(Node*);
 
 } // namespace
 
 #endif