[Editing][DOM][CodeHealth] Make Node::isContentEditable and Node::isRichEditable global functions.

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004-2011, 2014 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.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
@@ skipping 398 matching lines @@
     virtual short tabIndex() const;
 
     virtual Node* focusDelegate();
     // This is called only when the node is focused.
     virtual bool shouldHaveFocusAppearance() const;
 
     // Whether the node is inert. This can't be in Element because text nodes
     // must be recognized as inert to prevent text selection.
     bool isInert() const;
 
-    bool isContentEditable() const;
-    bool isContentRichlyEditable() const;
-
     virtual LayoutRect boundingBox() const;
     IntRect pixelSnappedBoundingBox() const { return pixelSnappedIntRect(boundingBox()); }
 
     unsigned nodeIndex() const;
 
     // Returns the DOM ownerDocument attribute. This method never returns null, except in the case
     // of a Document node.
     Document* ownerDocument() const;
 
     // Returns the document associated with this node. A Document node returns itself.
@@ skipping 424 matching lines @@
 {
     return node;
 }
 
 // TODO(yoichio): Move to core/editing
 CORE_EXPORT bool isRootEditableElement(const Node&);
 CORE_EXPORT Element* rootEditableElement(const Node&);
 CORE_EXPORT Element* rootEditableElement(const Node&, EditableType);
 CORE_EXPORT bool hasEditableStyle(const Node&, EditableType = ContentIsEditable);
 CORE_EXPORT bool layoutObjectIsRichlyEditable(const Node&, EditableType = ContentIsEditable);
+CORE_EXPORT bool isContentEditable(const Node&);
+CORE_EXPORT bool isContentRichlyEditable(const Node&);
 
 // Allow equality comparisons of Nodes by reference or pointer, interchangeably.
 DEFINE_COMPARISON_OPERATORS_WITH_REFERENCES_REFCOUNTED(Node)
 
 
 #define DEFINE_NODE_TYPE_CASTS(thisType, predicate) \
     template<typename T> inline thisType* to##thisType(const RefPtr<T>& node) { return to##thisType(node.get()); } \
     DEFINE_TYPE_CASTS(thisType, Node, node, node->predicate, node.predicate)
 
 // This requires isClassName(const Node&).
@@ skipping 15 matching lines @@
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showNode(const blink::Node*);
 void showTree(const blink::Node*);
 void showNodePath(const blink::Node*);
 #endif
 
 #endif // Node_h