Stop clamping tabIndex to short range

third_party/WebKit/Source/core/html/HTMLElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004-2007, 2009, 2014 Apple 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
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 32 matching lines @@
   DEFINE_WRAPPERTYPEINFO();
 
  public:
   DECLARE_ELEMENT_FACTORY_WITH_TAGNAME(HTMLElement);
 
   bool hasTagName(const HTMLQualifiedName& name) const {
     return hasLocalName(name.localName());
   }
 
   String title() const final;
-  short tabIndex() const override;
+  int tabIndex() const override;
 
   void setInnerText(const String&, ExceptionState&);
   void setOuterText(const String&, ExceptionState&);
 
   virtual bool hasCustomFocusLogic() const;
 
   String contentEditable() const;
   void setContentEditable(const String&, ExceptionState&);
   // For HTMLElement.prototype.isContentEditable. This matches to neither
   // blink::isContentEditable() nor blink::isContentRichlyEditable().  Do not
@@ skipping 166 matching lines @@
   inline bool isElementOfType<const thisType>(const HTMLElement& element) {  \
     return is##thisType(element);                                            \
   }                                                                          \
   DEFINE_ELEMENT_TYPE_CASTS_WITH_FUNCTION(thisType)
 
 }  // namespace blink
 
 #include "core/HTMLElementTypeHelpers.h"
 
 #endif  // HTMLElement_h