[refactor] Fix autofill features for payments when the form is inside an OOPIF

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

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies)
  *
  * 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
@@ skipping 708 matching lines @@
       eventResult = WebInputEventResult::HandledSystem;
     else
       eventResult = m_mouseEventManager->handleMousePressEvent(mev);
   }
 
   if (mev.hitTestResult().innerNode() &&
       mouseEvent.button == WebPointerProperties::Button::Left) {
     DCHECK_EQ(WebInputEvent::MouseDown, mouseEvent.type());
     HitTestResult result = mev.hitTestResult();
     result.setToShadowHostIfInRestrictedShadowRoot();
-    m_frame->chromeClient().onMouseDown(result.innerNode());
+    m_frame->chromeClient().onMouseDown(*result.innerNode());
   }
 
   return eventResult;
 }
 
 WebInputEventResult EventHandler::handleMouseMoveEvent(
     const WebMouseEvent& event,
     const Vector<WebMouseEvent>& coalescedEvents) {
   TRACE_EVENT0("blink", "EventHandler::handleMouseMoveEvent");
 
@@ skipping 1346 matching lines @@
     MouseEventWithHitTestResults& mev,
     LocalFrame* subframe) {
   WebInputEventResult result =
       subframe->eventHandler().handleMouseReleaseEvent(mev.event());
   if (result != WebInputEventResult::NotHandled)
     return result;
   return WebInputEventResult::HandledSystem;
 }
 
 }  // namespace blink