Oilpan: Prepare to support garbage-collected Node in WebNode hierarchy.

Source/web/WebRange.cpp

 /*
  * Copyright (C) 2009 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 57 matching lines @@
 }
 
 int WebRange::endOffset() const
 {
     return m_private->endOffset();
 }
 
 WebNode WebRange::startContainer(WebExceptionCode& exceptionCode) const
 {
     // FIXME: Create a wrapper class that just sets the internal int.
-    RefPtr<Node> node(m_private->startContainer());
+    RefPtrWillBeRawPtr<Node> node(m_private->startContainer());
     exceptionCode = 0;
     return node.release();
 }
 
 WebNode WebRange::endContainer(WebExceptionCode& exceptionCode) const
 {
     // FIXME: Create a wrapper class that just sets the internal int.
-    RefPtr<Node> node(m_private->endContainer());
+    RefPtrWillBeRawPtr<Node> node(m_private->endContainer());
     exceptionCode = 0;
     return node.release();
 }
 
 WebString WebRange::toHTMLText() const
 {
     return m_private->toHTML();
 }
 
 WebString WebRange::toPlainText() const
@@ skipping 42 matching lines @@
     : m_private(range)
 {
 }
 
 WebRange::operator PassRefPtrWillBeRawPtr<WebCore::Range>() const
 {
     return m_private.get();
 }
 
 } // namespace blink