Check the root frame pointer events as well for capture

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

Index: third_party/WebKit/Source/core/input/PointerEventManager.h
diff --git a/third_party/WebKit/Source/core/input/PointerEventManager.h b/third_party/WebKit/Source/core/input/PointerEventManager.h
index faedf8b6931405fb57d5f8b20217357992ac5f15..5a0ab01081efb2f6e9a5284a0eaf307df4a25fa6 100644
--- a/third_party/WebKit/Source/core/input/PointerEventManager.h
+++ b/third_party/WebKit/Source/core/input/PointerEventManager.h
@@ -68,6 +68,10 @@ class CORE_EXPORT PointerEventManager
   // Returns whether there is any touch on the screen.
   bool isAnyTouchActive() const;
 
+  // Returns whether pointerId is for an active pointerevent and whether the
+  // last event was sent to the given frame.
+  bool isPointerEventActiveOnFrame(int, LocalFrame*) const;
+
   // TODO(crbug.com/625843): This can be hidden when mouse refactoring in
   // EventHandler is done.
   EventTarget* getMouseCapturingNode();