Check the root frame pointer events as well for capture

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 50 matching lines @@
   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;
+
   // TODO(crbug.com/625843): This can be hidden when mouse refactoring in
   // EventHandler is done.
   EventTarget* getMouseCapturingNode();
 
   // Returns true if the primary pointerdown corresponding to the given
   // |uniqueTouchEventId| was canceled. Also drops stale ids from
   // |m_touchIdsForCanceledPointerdowns|.
   bool primaryPointerdownCanceled(uint32_t uniqueTouchEventId);
 
  private:
@@ skipping 128 matching lines @@
   PointerCapturingMap m_pendingPointerCaptureTarget;
 
   PointerEventFactory m_pointerEventFactory;
   Member<TouchEventManager> m_touchEventManager;
   Member<MouseEventManager> m_mouseEventManager;
 };
 
 }  // namespace blink
 
 #endif  // PointerEventManager_h