[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 413 matching lines @@
         UserSelectAllDoesNotAffectEditability,
         UserSelectAllIsAlwaysNonEditable
     };
     bool isContentEditable(UserSelectAllTreatment = UserSelectAllDoesNotAffectEditability) const;
     bool isContentRichlyEditable() const;
 
     bool hasEditableStyle(EditableType editableType = ContentIsEditable, UserSelectAllTreatment treatment = UserSelectAllIsAlwaysNonEditable) const
     {
         switch (editableType) {
         case ContentIsEditable:
-            return hasEditableStyle(Editable, treatment);
+            return hasEditableStyle(this, Editable, treatment);
         case HasEditableAXRole:
-            return isEditableToAccessibility(Editable);
+            return isEditableToAccessibility(this, Editable);
         }
         ASSERT_NOT_REACHED();
         return false;
     }
 
     bool layoutObjectIsRichlyEditable(EditableType editableType = ContentIsEditable) const
     {
         switch (editableType) {
         case ContentIsEditable:
-            return hasEditableStyle(RichlyEditable, UserSelectAllIsAlwaysNonEditable);
+            return hasEditableStyle(this, RichlyEditable, UserSelectAllIsAlwaysNonEditable);
         case HasEditableAXRole:
-            return isEditableToAccessibility(RichlyEditable);
+            return isEditableToAccessibility(this, RichlyEditable);
         }
         ASSERT_NOT_REACHED();
         return false;
     }
 
     virtual LayoutRect boundingBox() const;
     IntRect pixelSnappedBoundingBox() const { return pixelSnappedIntRect(boundingBox()); }
 
     unsigned nodeIndex() const;
 
@@ skipping 338 matching lines @@
 private:
     // Gets nodeName without caching AtomicStrings. Used by
     // debugName. Compositor may call debugName from the "impl" thread
     // during "commit". The main thread is stopped at that time, but
     // it is not safe to cache AtomicStrings because those are
     // per-thread.
     virtual String debugNodeName() const;
 
     void checkSlotChange();
 
+    // TODO(yoichio): Move these to core/editing
     enum EditableLevel { Editable, RichlyEditable };
-    bool hasEditableStyle(EditableLevel, UserSelectAllTreatment = UserSelectAllIsAlwaysNonEditable) const;
-    bool isEditableToAccessibility(EditableLevel) const;
+    static bool hasEditableStyle(const Node*, EditableLevel, UserSelectAllTreatment = UserSelectAllIsAlwaysNonEditable);
+    static bool isEditableToAccessibility(const Node*, EditableLevel);
 
     bool isUserActionElementActive() const;
     bool isUserActionElementInActiveChain() const;
     bool isUserActionElementHovered() const;
     bool isUserActionElementFocused() const;
 
     void recalcDistribution();
 
     void setStyleChange(StyleChangeType);
 
@@ skipping 101 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