Remove methods of TextIterator that take Range objects

Source/core/editing/VisibleUnits.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 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 451 matching lines @@
     Position end = pos.parentAnchoredEquivalent();
 
     Vector<UChar, 1024> string;
     unsigned suffixLength = 0;
 
     TrackExceptionState exceptionState;
     if (requiresContextForWordBoundary(c.characterBefore())) {
         RefPtrWillBeRawPtr<Range> forwardsScanRange(d.createRange());
         forwardsScanRange->setEndAfter(boundary, exceptionState);
         forwardsScanRange->setStart(end.deprecatedNode(), end.deprecatedEditingOffset(), exceptionState);
-        TextIterator forwardsIterator(forwardsScanRange.get());
+        TextIterator forwardsIterator(forwardsScanRange->startPosition(), forwardsScanRange->endPosition());
         while (!forwardsIterator.atEnd()) {
             Vector<UChar, 1024> characters;
             forwardsIterator.appendTextTo(characters);
             int i = endOfFirstWordBoundaryContext(characters.data(), characters.size());
             string.append(characters.data(), i);
             suffixLength += i;
             if (static_cast<unsigned>(i) < characters.size())
                 break;
             forwardsIterator.advance();
         }
@@ skipping 923 matching lines @@
     int caretOffset;
     position.position().getInlineBoxAndOffset(position.affinity(), inlineBox, caretOffset);
 
     if (inlineBox)
         renderer = &inlineBox->layoutObject();
 
     return renderer->localCaretRect(inlineBox, caretOffset);
 }
 
 }