Move static member functions next{Previous,Next}Offset() and uncheckedPreviousOffsetForBackwardDelet

Source/core/editing/Position.h

 /*
  * Copyright (C) 2004, 2006, 2008 Apple Inc. All rights reserved.
  *
  * 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 152 matching lines @@
 
     bool isNull() const { return !m_anchorNode; }
     bool isNotNull() const { return m_anchorNode; }
     bool isOrphan() const { return m_anchorNode && !m_anchorNode->inDocument(); }
 
     // Move up or down the DOM by one position.
     // Offsets are computed using layout text for nodes that have layoutObjects - but note that even when
     // using composed characters, the result may be inside a single user-visible character if a ligature is formed.
     PositionAlgorithm<Strategy> previous(PositionMoveType = CodePoint) const;
     PositionAlgorithm<Strategy> next(PositionMoveType = CodePoint) const;
-    static int uncheckedPreviousOffset(const Node*, int current);
-    static int uncheckedPreviousOffsetForBackwardDeletion(const Node*, int current);
-    static int uncheckedNextOffset(const Node*, int current);
 
     int compareTo(const PositionAlgorithm<Strategy>&) const;
 
     // These can be either inside or just before/after the node, depending on
     // if the node is ignored by editing or not.
     // FIXME: These should go away. They only make sense for legacy positions.
     bool atFirstEditingPositionForNode() const;
     bool atLastEditingPositionForNode() const;
 
     bool atStartOfTree() const;
@@ skipping 255 matching lines @@
 template <>
 inline PositionInComposedTree fromPositionInDOMTree<EditingInComposedTreeStrategy>(const Position& position)
 {
     return toPositionInComposedTree(position);
 }
 
 // TODO(yosin) We should move |hasRenderedNonAnonymousDescendantsWithHeight|
 // to "VisibleUnits.cpp" to reduce |LayoutObject| dependency in "Position.cpp"
 bool hasRenderedNonAnonymousDescendantsWithHeight(LayoutObject*);
 
+CORE_EXPORT int uncheckedPreviousOffset(const Node*, int current);
+CORE_EXPORT int uncheckedNextOffset(const Node*, int current);
+
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showTree(const blink::Position&);
 void showTree(const blink::Position*);
 #endif
 
 #endif // Position_h