Send got/lostpointercapture immediately if possible

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 376 matching lines @@
 
     bool m_mousePositionIsUnknown;
     // The last mouse movement position this frame has seen in root frame coordinates.
     IntPoint m_lastKnownMousePosition;
     IntPoint m_lastKnownMouseGlobalPosition;
     IntPoint m_mouseDownPos; // In our view's coords.
     double m_mouseDownTimestamp;
     PlatformMouseEvent m_mouseDown;
     RefPtr<UserGestureToken> m_lastMouseDownUserGestureToken;
 
-    PointerEventManager m_pointerEventManager;
+    Member<PointerEventManager> m_pointerEventManager;
     ScrollManager m_scrollManager;
     KeyboardEventManager m_keyboardEventManager;
     GestureManager m_gestureManager;
 
     double m_maxMouseMovedDuration;
 
     bool m_longTapShouldInvokeContextMenu;
 
     Timer<EventHandler> m_activeIntervalTimer;
     double m_lastShowPressTimestamp;
     Member<Element> m_lastDeferredTapElement;
 
     // 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;
 
     // TODO(nzolghadr): Temporary until further refactoring
     friend GestureManager;
 };
 
 } // namespace blink
 
 #endif // EventHandler_h