No pointer captured when the pointer lock is applied

third_party/WebKit/Source/core/input/EventHandler.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies)
  *
  * 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
@@ skipping 1175 matching lines @@
 
 void EventHandler::releasePointerCapture(int pointerId, EventTarget* target) {
   if (rootFrameTouchPointerActiveInCurrentFrame(pointerId)) {
     m_frame->localFrameRoot()->eventHandler().releasePointerCapture(pointerId,
                                                                     target);
   } else {
     m_pointerEventManager->releasePointerCapture(pointerId, target);
   }
 }
 
+void EventHandler::releasePointerCapture() {

[Navid Zolghadr, 2017/04/10 17:16:14]

Can we use a mouse specific name for this function as it only releases the
capture for mouse? Something like releaseMousePointerCapture?

[lanwei, 2017/05/17 13:56:00]

Done.

+  m_pointerEventManager->releasePointerCapture(PointerEventFactory::s_mouseId);
+}
+
 bool EventHandler::hasPointerCapture(int pointerId,
                                      const EventTarget* target) const {
   if (rootFrameTouchPointerActiveInCurrentFrame(pointerId)) {
     return m_frame->localFrameRoot()->eventHandler().hasPointerCapture(
         pointerId, target);
   } else {
     return m_pointerEventManager->hasPointerCapture(pointerId, target);
   }
 }
 
@@ skipping 880 matching lines @@
     MouseEventWithHitTestResults& mev,
     LocalFrame* subframe) {
   WebInputEventResult result =
       subframe->eventHandler().handleMouseReleaseEvent(mev.event());
   if (result != WebInputEventResult::NotHandled)
     return result;
   return WebInputEventResult::HandledSystem;
 }
 
 }  // namespace blink