Check the root frame pointer events as well for capture

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

Index: third_party/WebKit/Source/core/input/PointerEventManager.cpp
diff --git a/third_party/WebKit/Source/core/input/PointerEventManager.cpp b/third_party/WebKit/Source/core/input/PointerEventManager.cpp
index 21ce995d0f67a222d0160e4a6e62a6fa861c49a5..08c20d204c0a93bcb028481cb9e05aa2ee58a865 100644
--- a/third_party/WebKit/Source/core/input/PointerEventManager.cpp
+++ b/third_party/WebKit/Source/core/input/PointerEventManager.cpp
@@ -655,6 +655,16 @@ bool PointerEventManager::isActive(const int pointerId) const {
   return m_pointerEventFactory.isActive(pointerId);
 }
 
+bool PointerEventManager::isTouchPointerEventActiveOnFrame(int pointerId,
+                                                           LocalFrame* frame) {
+  Node* lastNodeReceivingEvent =
+      m_nodeUnderPointer.contains(pointerId)
+          ? m_nodeUnderPointer.get(pointerId).target->toNode()
+          : nullptr;
+  return m_pointerEventFactory.isActive(pointerId) && lastNodeReceivingEvent &&
+         lastNodeReceivingEvent->document().frame() == frame;
+}
+
 bool PointerEventManager::isAnyTouchActive() const {
   return m_touchEventManager->isAnyTouchActive();
 }