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

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004-2008, 2013, 2014 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2011 Motorola Mobility. 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 1010 matching lines @@
     if (fastHasAttribute(contenteditableAttr)) {
         const AtomicString& value = fastGetAttribute(contenteditableAttr);
 
         if (value.isEmpty() || equalIgnoringCase(value, "true") || equalIgnoringCase(value, "plaintext-only"))
             return true;
         if (equalIgnoringCase(value, "false"))
             return false;
         // All other values should be treated as "inherit".
     }
 
-    return parentElement() && parentElement()->hasEditableStyle();
+    return parentElement() && hasEditableStyle(*parentElement());
 }
 
 void HTMLElement::handleKeypressEvent(KeyboardEvent* event)
 {
     if (!isSpatialNavigationEnabled(document().frame()) || !supportsFocus())
         return;
     // if the element is a text form control (like <input type=text> or <textarea>)
     // or has contentEditable attribute on, we should enter a space or newline
     // even in spatial navigation mode instead of handling it as a "click" action.
     if (isTextFormControl() || isContentEditable())
@@ skipping 59 matching lines @@
 #ifndef NDEBUG
 
 // For use in the debugger
 void dumpInnerHTML(blink::HTMLElement*);
 
 void dumpInnerHTML(blink::HTMLElement* element)
 {
     printf("%s\n", element->innerHTML().ascii().data());
 }
 #endif