[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 720 matching lines @@
       event_result = WebInputEventResult::kHandledSystem;
     else
       event_result = mouse_event_manager_->HandleMousePressEvent(mev);
   }
 
   if (mev.GetHitTestResult().InnerNode() &&
       mouse_event.button == WebPointerProperties::Button::kLeft) {
     DCHECK_EQ(WebInputEvent::kMouseDown, mouse_event.GetType());
     HitTestResult result = mev.GetHitTestResult();
     result.SetToShadowHostIfInRestrictedShadowRoot();
-    frame_->GetChromeClient().OnMouseDown(result.InnerNode());
+    frame_->GetChromeClient().OnMouseDown(*result.InnerNode());
   }
 
   return event_result;
 }
 
 WebInputEventResult EventHandler::HandleMouseMoveEvent(
     const WebMouseEvent& event,
     const Vector<WebMouseEvent>& coalesced_events) {
   TRACE_EVENT0("blink", "EventHandler::handleMouseMoveEvent");
 
@@ skipping 1361 matching lines @@
     MouseEventWithHitTestResults& mev,
     LocalFrame* subframe) {
   WebInputEventResult result =
       subframe->GetEventHandler().HandleMouseReleaseEvent(mev.Event());
   if (result != WebInputEventResult::kNotHandled)
     return result;
   return WebInputEventResult::kHandledSystem;
 }
 
 }  // namespace blink