No pointer captured when the pointer lock is applied

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 182 matching lines @@
   WebInputEventResult sendContextMenuEvent(const WebMouseEvent&,
                                            Node* overrideTargetNode = nullptr);
   WebInputEventResult sendContextMenuEventForKey(
       Element* overrideTargetElement = nullptr);
 
   // Returns whether pointerId is active or not
   bool isPointerEventActive(int);
 
   void setPointerCapture(int, EventTarget*);
   void releasePointerCapture(int, EventTarget*);
+  void releasePointerCapture();
   bool hasPointerCapture(int, const EventTarget*) const;
   bool hasProcessedPointerCapture(int, const EventTarget*) const;
 
   void elementRemoved(EventTarget*);
 
   void setMouseDownMayStartAutoscroll();
 
   bool handleAccessKey(const WebKeyboardEvent&);
   WebInputEventResult keyEvent(const WebKeyboardEvent&);
   void defaultKeyboardEventHandler(KeyboardEvent*);
@@ skipping 168 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