Remove methods of TextIterator that take Range objects

Source/core/editing/PlainTextRange.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2005 Alexey Proskuryakov.
  *
  * 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
@@ skipping 64 matching lines @@
 
     size_t docTextPosition = 0;
     bool startRangeFound = false;
 
     Position textRunStartPosition;
     Position textRunEndPosition;
 
     TextIteratorBehaviorFlags behaviorFlags = TextIteratorEmitsObjectReplacementCharacter;
     if (getRangeFor == ForSelection)
         behaviorFlags |= TextIteratorEmitsCharactersBetweenAllVisiblePositions;
-    TextIterator it(rangeOfContents(const_cast<ContainerNode*>(&scope)).get(), behaviorFlags);
+    auto range = rangeOfContents(const_cast<ContainerNode*>(&scope));
+    TextIterator it(range->startPosition(), range->endPosition(), behaviorFlags);
 
     // FIXME: the atEnd() check shouldn't be necessary, workaround for <http://bugs.webkit.org/show_bug.cgi?id=6289>.
     if (!start() && !length() && it.atEnd()) {
         resultRange->setStart(it.startContainer(), 0, ASSERT_NO_EXCEPTION);
         resultRange->setEnd(it.startContainer(), 0, ASSERT_NO_EXCEPTION);
         return resultRange.release();
     }
 
     for (; !it.atEnd(); it.advance()) {
         int len = it.length();
@@ skipping 71 matching lines @@
     // because of text fields and textareas. The DOM for those is not
     // directly in the document DOM, so ensure that the range does not cross a
     // boundary of one of those.
     if (range.startContainer() != &scope && !range.startContainer()->isDescendantOf(&scope))
         return PlainTextRange();
     if (range.endContainer() != scope && !range.endContainer()->isDescendantOf(&scope))
         return PlainTextRange();
 
     RefPtrWillBeRawPtr<Range> testRange = Range::create(scope.document(), const_cast<ContainerNode*>(&scope), 0, range.startContainer(), range.startOffset());
     ASSERT(testRange->startContainer() == &scope);
-    size_t start = TextIterator::rangeLength(testRange.get());
+    size_t start = TextIterator::rangeLength(testRange->startPosition(), testRange->endPosition());
 
     testRange->setEnd(range.endContainer(), range.endOffset(), IGNORE_EXCEPTION);
     ASSERT(testRange->startContainer() == &scope);
-    size_t end = TextIterator::rangeLength(testRange.get());
+    size_t end = TextIterator::rangeLength(testRange->startPosition(), testRange->endPosition());
 
     return PlainTextRange(start, end);
 }
 
 }