Replaced RefPtr::release with std::move in Source/core.

third_party/WebKit/Source/core/input/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 215 matching lines @@
 
   WebInputEventResult handleTouchEvent(
       const PlatformTouchEvent&,
       const Vector<PlatformTouchEvent>& coalescedEvents);
 
   bool useHandCursor(Node*, bool isOverLink);
 
   void notifyElementActivated();
 
   PassRefPtr<UserGestureToken> takeLastMouseDownGestureToken() {
-    return m_lastMouseDownUserGestureToken.release();
+    return std::move(m_lastMouseDownUserGestureToken);
   }
 
   SelectionController& selectionController() const {
     return *m_selectionController;
   }
 
   // FIXME(nzolghadr): This function is technically a private function of
   // EventHandler class. Making it public temporary to make it possible to
   // move some code around in the refactoring process.
   // Performs a chaining logical scroll, within a *single* frame, starting
@@ skipping 141 matching lines @@
 
   // Set on GestureTapDown if the |pointerdown| event corresponding to the
   // triggering |touchstart| event was canceled. This suppresses mouse event
   // firing for the current gesture sequence (i.e. until next GestureTapDown).
   bool m_suppressMouseEventsFromGestures;
 };
 
 }  // namespace blink
 
 #endif  // EventHandler_h