Oilpan: move Range object to the oilpan heap.

Source/core/editing/InputMethodController.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
@@ skipping 48 matching lines @@
     // Inserts the given text string in the place of the existing composition
     // and returns true.
     bool confirmComposition(const String& text);
     // Inserts the text that is being composed or specified non-empty text and
     // returns true.
     bool confirmCompositionOrInsertText(const String& text, ConfirmCompositionBehavior);
     void confirmCompositionAndResetState();
     // Deletes the existing composition text.
     void cancelComposition();
     void cancelCompositionIfSelectionIsInvalid();
-    PassRefPtr<Range> compositionRange() const;
+    PassRefPtrWillBeRawPtr<Range> compositionRange() const;
 
     // getting international text input composition state (for use by InlineTextBox)
     Text* compositionNode() const { return m_compositionNode.get(); }
     unsigned compositionStart() const { return m_compositionStart; }
     unsigned compositionEnd() const { return m_compositionEnd; }
     bool compositionUsesCustomUnderlines() const { return !m_customCompositionUnderlines.isEmpty(); }
     const Vector<CompositionUnderline>& customCompositionUnderlines() const { return m_customCompositionUnderlines; }
 
     void clear();
 
@@ skipping 29 matching lines @@
     void selectComposition() const;
     enum FinishCompositionMode { ConfirmComposition, CancelComposition };
     // Returns true if composition exists.
     bool finishComposition(const String&, FinishCompositionMode);
     bool setSelectionOffsets(const PlainTextRange&);
 };
 
 } // namespace WebCore
 
 #endif // InputMethodController_h