No pointer captured when the pointer lock is applied

third_party/WebKit/Source/core/input/PointerEventManager.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PointerEventManager_h
 #define PointerEventManager_h
 
 #include "core/CoreExport.h"
 #include "core/events/PointerEvent.h"
 #include "core/events/PointerEventFactory.h"
@@ skipping 44 matching lines @@
                                          const String& canvas_region_id,
                                          const WebMouseEvent&);
 
   // Resets the internal state of this object.
   void Clear();
 
   void ElementRemoved(EventTarget*);
 
   void SetPointerCapture(int, EventTarget*);
   void ReleasePointerCapture(int, EventTarget*);
+  void ReleaseMousePointerCapture();
 
   // See Element::hasPointerCapture(int).
   bool HasPointerCapture(int, const EventTarget*) const;
 
   // See Element::hasProcessedPointerCapture(int).
   bool HasProcessedPointerCapture(int, const EventTarget*) const;
 
   bool IsActive(const int) const;
 
   // Returns whether there is any touch on the screen.
   bool IsAnyTouchActive() const;
 
   // Returns whether pointerId is for an active touch pointerevent and whether
   // the last event was sent to the given frame.
   bool IsTouchPointerIdActiveOnFrame(int, LocalFrame*) const;
 
   // Returns true if the primary pointerdown corresponding to the given
   // |uniqueTouchEventId| was canceled. Also drops stale ids from
   // |m_touchIdsForCanceledPointerdowns|.
   bool PrimaryPointerdownCanceled(uint32_t unique_touch_event_id);
 
+  void ProcessPendingPointerCapture(const WebMouseEvent&,
+                                    const Vector<WebMouseEvent>&);
+
  private:
   typedef HeapHashMap<int,
                       Member<EventTarget>,
                       WTF::IntHash<int>,
                       WTF::UnsignedWithZeroKeyHashTraits<int>>
       PointerCapturingMap;
   class EventTargetAttributes {
     DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
 
    public:
@@ skipping 129 matching lines @@
   Member<MouseEventManager> mouse_event_manager_;
 
   // The pointerId of the PointerEvent currently being dispatched within this
   // frame or 0 if none.
   int dispatching_pointer_id_;
 };
 
 }  // namespace blink
 
 #endif  // PointerEventManager_h