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

third_party/WebKit/Source/core/editing/spellcheck/SpellChecker.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 401 matching lines @@
         return false;
 
     TRACE_EVENT0("blink", "SpellChecker::markMisspellingsOrBadGrammar");
 
     const EphemeralRange range = selection.toNormalizedEphemeralRange();
     if (range.isNull())
         return false;
 
     // If we're not in an editable node, bail.
     Node* editableNode = range.startPosition().computeContainerNode();
-    if (!editableNode || !editableNode->hasEditableStyle())
+    if (!editableNode || !hasEditableStyle(*editableNode))
         return false;
 
     if (!isSpellCheckingEnabledFor(editableNode))
         return false;
 
     TextCheckingHelper checker(spellCheckerClient(), range.startPosition(), range.endPosition());
     if (checkSpelling)
         return checker.markAllMisspellings();
 
     checker.markAllBadGrammar();
@@ skipping 47 matching lines @@
     DCHECK(unifiedTextCheckerEnabled());
 
     bool shouldMarkGrammar = textCheckingOptions & TextCheckingTypeGrammar;
 
     // This function is called with selections already expanded to word boundaries.
     if (spellingRange.isNull() || (shouldMarkGrammar && grammarRange.isNull()))
         return;
 
     // If we're not in an editable node, bail.
     Node* editableNode = spellingRange.startPosition().computeContainerNode();
-    if (!editableNode || !editableNode->hasEditableStyle())
+    if (!editableNode || !hasEditableStyle(*editableNode))
         return;
 
     if (!isSpellCheckingEnabledFor(editableNode))
         return;
 
     TextCheckingParagraph fullParagraphToCheck(shouldMarkGrammar ? grammarRange : spellingRange);
     chunkAndMarkAllMisspellingsAndBadGrammar(textCheckingOptions, fullParagraphToCheck);
 }
 
 static EphemeralRange expandEndToSentenceBoundary(const EphemeralRange& range)
@@ skipping 469 matching lines @@
     visitor->trace(m_frame);
     visitor->trace(m_spellCheckRequester);
 }
 
 void SpellChecker::prepareForLeakDetection()
 {
     m_spellCheckRequester->prepareForLeakDetection();
 }
 
 } // namespace blink