Enable Oilpan for core/clipboard/

Source/core/page/EventHandler.h

 /*
  * Copyright (C) 2006, 2007, 2009, 2010, 2011 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 180 matching lines @@
     void notifyElementActivated();
 
     PassRefPtr<UserGestureToken> takeLastMouseDownGestureToken() { return m_lastMouseDownUserGestureToken.release(); }
 
     int clickCount() { return m_clickCount; }
     bool mouseDownWasSingleClickInSelection() { return m_mouseDownWasSingleClickInSelection; }
 
 private:
     static DragState& dragState();
 
-    PassRefPtrWillBeRawPtr<DataTransfer> createDraggingDataTransfer() const;
+    DataTransfer* createDraggingDataTransfer() const;
 
     bool updateSelectionForMouseDownDispatchingSelectStart(Node*, const VisibleSelection&, TextGranularity);
     void selectClosestWordFromHitTestResult(const HitTestResult&, AppendTrailingWhitespace);
     void selectClosestMisspellingFromHitTestResult(const HitTestResult&, AppendTrailingWhitespace);
     void selectClosestWordFromMouseEvent(const MouseEventWithHitTestResults&);
     void selectClosestMisspellingFromMouseEvent(const MouseEventWithHitTestResults&);
     void selectClosestWordOrLinkFromMouseEvent(const MouseEventWithHitTestResults&);
 
     bool handleMouseMoveOrLeaveEvent(const PlatformMouseEvent&, HitTestResult* hoveredNode = nullptr, bool onlyUpdateScrollbars = false, bool forceLeave = false);
     bool handleMousePressEvent(const MouseEventWithHitTestResults&);
@@ skipping 205 matching lines @@
     // scroll sequence in this frame, or any child frames. Only used
     // with ScrollCustomization. If some delta has been consumed, a
     // scroll which shouldn't propagate can't cause any element to
     // scroll other than the |m_previousGestureScrolledNode|.
     bool m_deltaConsumedForScrollSequence;
 };
 
 } // namespace blink
 
 #endif // EventHandler_h