[Editing][DOM][CodeHealth] Make Node::hasEditableStyle global functions.

third_party/WebKit/Source/core/layout/HitTestResult.cpp

 /*
  * Copyright (C) 2006, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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 381 matching lines @@
         return false;
 
     if (isHTMLTextAreaElement(*m_innerNode))
         return !toHTMLTextAreaElement(*m_innerNode).isDisabledOrReadOnly();
 
     if (isHTMLInputElement(*m_innerNode)) {
         HTMLInputElement& inputElement = toHTMLInputElement(*m_innerNode);
         return !inputElement.isDisabledOrReadOnly() && inputElement.isTextField();
     }
 
-    return m_innerNode->hasEditableStyle();
+    return hasEditableStyle(*m_innerNode);
 }
 
 ListBasedHitTestBehavior HitTestResult::addNodeToListBasedTestResult(Node* node, const HitTestLocation& location, const LayoutRect& rect)
 {
     // If not a list-based test, stop testing because the hit has been found.
     if (!hitTestRequest().listBased())
         return StopHitTesting;
 
     if (!node)
         return ContinueHitTesting;
@@ skipping 99 matching lines @@
     else if (isHTMLMapElement(m_innerNode))
         imageMapImageElement = toHTMLMapElement(m_innerNode)->imageElement();
 
     if (!imageMapImageElement)
         return m_innerNode.get();
 
     return imageMapImageElement;
 }
 
 } // namespace blink