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 183 matching lines @@
       const WebMouseEvent&,
       Node* override_target_node = nullptr);
   WebInputEventResult SendContextMenuEventForKey(
       Element* override_target_element = nullptr);
 
   // Returns whether pointerId is active or not
   bool IsPointerEventActive(int);
 
   void SetPointerCapture(int, EventTarget*);
   void ReleasePointerCapture(int, EventTarget*);
+  void ReleaseMousePointerCapture();
   bool HasPointerCapture(int, const EventTarget*) const;
   bool HasProcessedPointerCapture(int, const EventTarget*) const;
+  void ProcessPendingPointerCapture(const WebMouseEvent&,
+                                    const Vector<WebMouseEvent>&);
 
   void ElementRemoved(EventTarget*);
 
   void SetMouseDownMayStartAutoscroll();
 
   bool HandleAccessKey(const WebKeyboardEvent&);
   WebInputEventResult KeyEvent(const WebKeyboardEvent&);
   void DefaultKeyboardEventHandler(KeyboardEvent*);
 
   bool HandleTextInputEvent(const String& text,
@@ skipping 166 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 suppress_mouse_events_from_gestures_;
 };
 
 }  // namespace blink
 
 #endif  // EventHandler_h