Oilpan: move Range object to the oilpan heap.

Source/core/accessibility/AXRenderObject.cpp

 /*
 * Copyright (C) 2008 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
@@ skipping 1724 matching lines @@
     if (!allowsTextRanges() && !m_renderer->isText())
         return VisiblePosition();
 
     Node* node = m_renderer->node();
     if (!node)
         return VisiblePosition();
 
     if (index <= 0)
         return VisiblePosition(firstPositionInOrBeforeNode(node), DOWNSTREAM);
 
-    RefPtr<Range> range = Range::create(m_renderer->document());
+    RefPtrWillBeRawPtr<Range> range = Range::create(m_renderer->document());
     range->selectNodeContents(node, IGNORE_EXCEPTION);
     CharacterIterator it(range.get());
     it.advance(index - 1);
     return VisiblePosition(Position(it.range()->endContainer(), it.range()->endOffset(), Position::PositionIsOffsetInAnch\
 or), UPSTREAM);
 }
 
 int AXRenderObject::indexForVisiblePosition(const VisiblePosition& pos) const
 {
     if (isNativeTextControl() && m_renderer->isTextControl()) {
         HTMLTextFormControlElement* textControl = toRenderTextControl(m_renderer)->textFormControlElement();
         return textControl->indexForVisiblePosition(pos);
     }
 
     if (!isTextControl())
         return 0;
 
     Node* node = m_renderer->node();
     if (!node)
         return 0;
 
     Position indexPosition = pos.deepEquivalent();
     if (indexPosition.isNull() || highestEditableRoot(indexPosition, HasEditableAXRole) != node)
         return 0;
 
-    RefPtr<Range> range = Range::create(m_renderer->document());
+    RefPtrWillBeRawPtr<Range> range = Range::create(m_renderer->document());
     range->setStart(node, 0, IGNORE_EXCEPTION);
     range->setEnd(indexPosition, IGNORE_EXCEPTION);
 
     return TextIterator::rangeLength(range.get());
 }
 
 void AXRenderObject::addInlineTextBoxChildren()
 {
     if (!axObjectCache()->inlineTextBoxAccessibility())
         return;
@@ skipping 74 matching lines @@
     }
 }
 
 AXObject::PlainTextRange AXRenderObject::ariaSelectedTextRange() const
 {
     Node* node = m_renderer->node();
     if (!node)
         return PlainTextRange();
 
     VisibleSelection visibleSelection = selection();
-    RefPtr<Range> currentSelectionRange = visibleSelection.toNormalizedRange();
+    RefPtrWillBeRawPtr<Range> currentSelectionRange = visibleSelection.toNormalizedRange();
     if (!currentSelectionRange || !currentSelectionRange->intersectsNode(node, IGNORE_EXCEPTION))
         return PlainTextRange();
 
     int start = indexForVisiblePosition(visibleSelection.visibleStart());
     int end = indexForVisiblePosition(visibleSelection.visibleEnd());
 
     return PlainTextRange(start, end - start);
 }
 
 bool AXRenderObject::nodeIsTextControl(const Node* node) const
@@ skipping 474 matching lines @@
         if (label && label->renderer()) {
             LayoutRect labelRect = axObjectCache()->getOrCreate(label)->elementRect();
             result.unite(labelRect);
         }
     }
 
     return result;
 }
 
 } // namespace WebCore