Utilize VisibleSelectionTemplate template class in SelectionController

third_party/WebKit/Source/core/editing/VisibleSelection.h

 /*
  * Copyright (C) 2004 Apple Computer, 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 283 matching lines @@
 
     EphemeralRangeTemplate<Strategy> toNormalizedEphemeralRange() const;
 
     void setBase(const PositionAlgorithm<Strategy>&);
     void setBase(const VisiblePositionTemplate<Strategy>&);
     void setExtent(const PositionAlgorithm<Strategy>&);
     void setExtent(const VisiblePositionTemplate<Strategy>&);
     void setIsDirectional(bool isDirectional) { m_visibleSelection.setIsDirectional(isDirectional); }
     void setWithoutValidation(const PositionAlgorithm<Strategy>& base, const PositionAlgorithm<Strategy>& extent);
 
+    void appendTrailingWhitespace();
     bool expandUsingGranularity(TextGranularity);
+    static VisibleSelectionTemplate<Strategy> selectionFromContentsOfNode(Node*);
 
     DEFINE_INLINE_TRACE()
     {
         visitor->trace(m_visibleSelection);
     }
 
 private:
     VisibleSelection m_visibleSelection;
 };
 
@@ skipping 23 matching lines @@
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showTree(const blink::VisibleSelection&);
 void showTree(const blink::VisibleSelection*);
 #endif
 
 #endif // VisibleSelection_h