IDL: Remove the CompareHow special case

Source/core/dom/Range.cpp

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * (C) 2000 Gunnstein Lye (gunnstein@netcom.no)
  * (C) 2000 Frederik Holljen (frederik.holljen@hig.no)
  * (C) 2001 Peter Kelly (pmk@post.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Motorola Mobility. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 296 matching lines @@
         if (comparePoint(parentNode, nodeIndex + 1, exceptionState) > 0) // ends after the range
             return NODE_BEFORE_AND_AFTER;
         return NODE_BEFORE; // ends before or in the range
     }
     // starts at or after the range start
     if (comparePoint(parentNode, nodeIndex + 1, exceptionState) > 0) // ends after the range
         return NODE_AFTER;
     return NODE_INSIDE; // ends inside the range
 }
 
-short Range::compareBoundaryPoints(CompareHow how, const Range* sourceRange, ExceptionState& exceptionState) const
+short Range::compareBoundaryPoints(unsigned how, const Range* sourceRange, ExceptionState& exceptionState) const
 {
     if (!(how == START_TO_START || how == START_TO_END || how == END_TO_END || how == END_TO_START)) {
         exceptionState.throwDOMException(NotSupportedError, "The comparison method provided must be one of 'START_TO_START', 'START_TO_END', 'END_TO_END', or 'END_TO_START'.");
         return 0;
     }
 
     Node* thisCont = commonAncestorContainer();
     Node* sourceCont = sourceRange->commonAncestorContainer();
     if (thisCont->document() != sourceCont->document()) {
         exceptionState.throwDOMException(WrongDocumentError, "The source range is in a different document than this range.");
@@ skipping 1455 matching lines @@
 
 void showTree(const blink::Range* range)
 {
     if (range && range->boundaryPointsValid()) {
         range->startContainer()->showTreeAndMark(range->startContainer(), "S", range->endContainer(), "E");
         fprintf(stderr, "start offset: %d, end offset: %d\n", range->startOffset(), range->endOffset());
     }
 }
 
 #endif