Remove the concept of document.documentElement

sky/engine/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 71 matching lines @@
     bool isCaret() const { return selectionType() == CaretSelection; }
     bool isRange() const { return selectionType() == RangeSelection; }
     bool isCaretOrRange() const { return selectionType() != NoSelection; }
     bool isNonOrphanedRange() const { return isRange() && !start().isOrphan() && !end().isOrphan(); }
     bool isNonOrphanedCaretOrRange() const { return isCaretOrRange() && !start().isOrphan() && !end().isOrphan(); }
 
     bool isBaseFirst() const { return m_baseIsFirst; }
     bool isDirectional() const { return m_isDirectional; }
     void setIsDirectional(bool isDirectional) { m_isDirectional = isDirectional; }
 
-    void appendTrailingWhitespace();
-
     bool expandUsingGranularity(TextGranularity granularity);
 
     // We don't yet support multi-range selections, so we only ever have one range to return.
     PassRefPtr<Range> firstRange() const;
 
     // FIXME: Most callers probably don't want this function, but are using it
     // for historical reasons.  toNormalizedRange contracts the range around
     // text, and moves the caret upstream before returning the range.
     PassRefPtr<Range> toNormalizedRange() const;
 
@@ skipping 78 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  // SKY_ENGINE_CORE_EDITING_VISIBLESELECTION_H_