Have Range constructor take a Document reference in argument

Source/core/html/HTMLTextFormControlElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 293 matching lines @@
     newSelection.setIsDirectional(direction != SelectionHasNoDirection);
 
     if (Frame* frame = document().frame())
         frame->selection().setSelection(newSelection);
 }
 
 VisiblePosition HTMLTextFormControlElement::visiblePositionForIndex(int index) const
 {
     if (index <= 0)
         return VisiblePosition(firstPositionInNode(innerTextElement()), DOWNSTREAM);
-    RefPtr<Range> range = Range::create(&document());
+    RefPtr<Range> range = Range::create(document());
     range->selectNodeContents(innerTextElement(), ASSERT_NO_EXCEPTION);
     CharacterIterator it(range.get());
     it.advance(index - 1);
     return VisiblePosition(it.range()->endPosition(), UPSTREAM);
 }
 
 int HTMLTextFormControlElement::indexForVisiblePosition(const VisiblePosition& pos) const
 {
     Position indexPosition = pos.deepEquivalent().parentAnchoredEquivalent();
     if (enclosingTextFormControl(indexPosition) != this)
         return 0;
-    RefPtr<Range> range = Range::create(indexPosition.document());
+    ASSERT(indexPosition.document());
+    RefPtr<Range> range = Range::create(*indexPosition.document());
     range->setStart(innerTextElement(), 0, ASSERT_NO_EXCEPTION);
     range->setEnd(indexPosition.containerNode(), indexPosition.offsetInContainerNode(), ASSERT_NO_EXCEPTION);
     return TextIterator::rangeLength(range.get());
 }
 
 int HTMLTextFormControlElement::selectionStart() const
 {
     if (!isTextFormControl())
         return 0;
     if (document().focusedElement() != this && hasCachedSelection())
@@ skipping 89 matching lines @@
 
     int start = m_cachedSelectionStart;
     int end = m_cachedSelectionEnd;
 
     ASSERT(start <= end);
     HTMLElement* innerText = innerTextElement();
     if (!innerText)
         return 0;
 
     if (!innerText->firstChild())
-        return Range::create(&document(), innerText, 0, innerText, 0);
+        return Range::create(document(), innerText, 0, innerText, 0);
 
     int offset = 0;
     Node* startNode = 0;
     Node* endNode = 0;
     for (Node* node = innerText->firstChild(); node; node = NodeTraversal::next(node, innerText)) {
         ASSERT(!node->firstChild());
         ASSERT(node->isTextNode() || node->hasTagName(brTag));
         int length = node->isTextNode() ? lastOffsetInNode(node) : 1;
 
         if (offset <= start && start <= offset + length)
             setContainerAndOffsetForRange(node, start - offset, startNode, start);
 
         if (offset <= end && end <= offset + length) {
             setContainerAndOffsetForRange(node, end - offset, endNode, end);
             break;
         }
 
         offset += length;
     }
 
     if (!startNode || !endNode)
         return 0;
 
-    return Range::create(&document(), startNode, start, endNode, end);
+    return Range::create(document(), startNode, start, endNode, end);
 }
 
 void HTMLTextFormControlElement::restoreCachedSelection()
 {
     setSelectionRange(m_cachedSelectionStart, m_cachedSelectionEnd, m_cachedSelectionDirection);
 }
 
 void HTMLTextFormControlElement::selectionChanged(bool userTriggered)
 {
     if (!renderer() || !isTextFormControl())
@@ skipping 167 matching lines @@
             bool isAuto;
             TextDirection textDirection = static_cast<const HTMLElement*>(element)->directionalityIfhasDirAutoAttribute(isAuto);
             return textDirection == RTL ? "rtl" : "ltr";
         }
     }
 
     return "ltr";
 }
 
 } // namespace Webcore