Stop clamping tabIndex to short range

third_party/WebKit/Source/core/dom/ElementRareData.h

 /*
  * Copyright (C) 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2008 David Smith <catfish.man@gmail.com>
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 43 matching lines @@
  public:
   static ElementRareData* create(LayoutObject* layoutObject) {
     return new ElementRareData(layoutObject);
   }
 
   ~ElementRareData();
 
   void setPseudoElement(PseudoId, PseudoElement*);
   PseudoElement* pseudoElement(PseudoId) const;
 
-  short tabIndex() const { return m_tabindex; }
+  int tabIndex() const { return m_tabindex; }
 
-  void setTabIndexExplicitly(short index) {
+  void setTabIndexExplicitly(int index) {
     m_tabindex = index;
     setElementFlag(TabIndexWasSetExplicitly, true);
   }
 
   void clearTabIndexExplicitly() {
     m_tabindex = 0;
     clearElementFlag(TabIndexWasSetExplicitly);
   }
 
   CSSStyleDeclaration& ensureInlineCSSStyleDeclaration(Element* ownerElement);
@@ skipping 97 matching lines @@
   ResizeObserverDataMap& ensureResizeObserverData();
 
   DECLARE_TRACE_AFTER_DISPATCH();
 
   DECLARE_TRACE_WRAPPERS_AFTER_DISPATCH();
 
  private:
   CompositorProxiedPropertySet& ensureCompositorProxiedPropertySet();
   void clearCompositorProxiedPropertySet() { m_proxiedProperties = nullptr; }
 
-  short m_tabindex;
+  int m_tabindex;
 
   LayoutSize m_minimumSizeForResizing;
   ScrollOffset m_savedLayerScrollOffset;
 
   Member<DatasetDOMStringMap> m_dataset;
   Member<ElementShadow> m_shadow;
   Member<ClassList> m_classList;
   Member<NamedNodeMap> m_attributeMap;
   Member<AttrNodeList> m_attrNodeList;
   Member<InlineCSSStyleDeclaration> m_cssomWrapper;
@@ skipping 69 matching lines @@
 inline CompositorProxiedPropertySet&
 ElementRareData::ensureCompositorProxiedPropertySet() {
   if (!m_proxiedProperties)
     m_proxiedProperties = CompositorProxiedPropertySet::create();
   return *m_proxiedProperties;
 }
 
 }  // namespace blink
 
 #endif  // ElementRareData_h