Oilpan: move Range object to the oilpan heap.

Source/core/editing/PlainTextRange.h

 /*
  * Copyright (C) 2006, 2007, 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
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef PlainTextRange_h
 #define PlainTextRange_h
 
+#include "platform/heap/Handle.h"
 #include "wtf/NotFound.h"
 #include "wtf/PassRefPtr.h"
 
 namespace WebCore {
 
 class ContainerNode;
 class Node;
 class Range;
 
 class PlainTextRange {
 public:
     PlainTextRange();
     PlainTextRange(const PlainTextRange&);
     explicit PlainTextRange(int location);
     PlainTextRange(int start, int end);
 
     size_t end() const { ASSERT(!isNull()); return m_end; }
     size_t start() const { ASSERT(!isNull()); return m_start; }
     bool isNull() const { return m_start == kNotFound; }
     bool isNotNull() const { return m_start != kNotFound; }
     size_t length() const { ASSERT(!isNull()); return m_end - m_start; }
 
-    PassRefPtr<Range> createRange(const ContainerNode& scope) const;
-    PassRefPtr<Range> createRangeForSelection(const ContainerNode& scope) const;
+    PassRefPtrWillBeRawPtr<Range> createRange(const ContainerNode& scope) const;
+    PassRefPtrWillBeRawPtr<Range> createRangeForSelection(const ContainerNode& scope) const;
 
     static PlainTextRange create(const Node& scope, const Range&);
 
 private:
     PlainTextRange& operator=(const PlainTextRange&)  WTF_DELETED_FUNCTION;
 
     enum GetRangeFor { ForGeneric, ForSelection };
-    PassRefPtr<Range> createRangeFor(const ContainerNode& scope, GetRangeFor) const;
+    PassRefPtrWillBeRawPtr<Range> createRangeFor(const ContainerNode& scope, GetRangeFor) const;
 
     const size_t m_start;
     const size_t m_end;
 };
 
 } // namespace WebCore
 
 #endif // PlainTextRange_h