Make editingIgnoresContents() as global function

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 195 matching lines @@
         toHTMLTextFormControlElement(element);
     parent = textControl;
     element = textControl->innerEditorElement();
     if (!element)
       return;
     isTextField = isHTMLInputElement(*textControl) &&
                   toHTMLInputElement(*textControl).isTextField();
   }
 
   if (isTextField || !parent->isAlreadySpellChecked()) {
-    if (EditingStrategy::editingIgnoresContent(element))
+    if (editingIgnoresContent(element))
       return;
     // We always recheck textfields because markers are removed from them on
     // blur.
     const VisibleSelection selection = createVisibleSelection(
         SelectionInDOMTree::Builder().selectAllChildren(*element).build());
     markMisspellingsAndBadGrammar(selection);
     if (!isTextField)
       parent->setAlreadySpellChecked(true);
   }
 }
@@ skipping 902 matching lines @@
         startOfNextParagraph(createVisiblePosition(paragraphEnd));
     paragraphStart = newParagraphStart.toParentAnchoredPosition();
     paragraphEnd = endOfParagraph(newParagraphStart).toParentAnchoredPosition();
     firstIteration = false;
     totalLengthProcessed += currentLength;
   }
   return std::make_pair(firstFoundItem, firstFoundOffset);
 }
 
 }  // namespace blink