isTrusted is incorrect for events generated by Element.click()

Source/core/events/MouseEvent.h

 /*
  * Copyright (C) 2001 Peter Kelly (pmk@post.com)
  * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 100 matching lines @@
 private:
     short m_button;
     unsigned short m_buttons;
     RefPtrWillBeMember<EventTarget> m_relatedTarget;
     PersistentWillBeMember<DataTransfer> m_dataTransfer;
     PlatformMouseEvent::SyntheticEventType m_syntheticEventType;
 };
 
 class SimulatedMouseEvent final : public MouseEvent {
 public:
-    static PassRefPtrWillBeRawPtr<SimulatedMouseEvent> create(const AtomicString& eventType, PassRefPtrWillBeRawPtr<AbstractView>, PassRefPtrWillBeRawPtr<Event> underlyingEvent);
+    static PassRefPtrWillBeRawPtr<SimulatedMouseEvent> create(const AtomicString& eventType, PassRefPtrWillBeRawPtr<AbstractView>, PassRefPtrWillBeRawPtr<Event> underlyingEvent, SimulatedClickCreationScope);
     ~SimulatedMouseEvent() override;
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
-    SimulatedMouseEvent(const AtomicString& eventType, PassRefPtrWillBeRawPtr<AbstractView>, PassRefPtrWillBeRawPtr<Event> underlyingEvent);
+    SimulatedMouseEvent(const AtomicString& eventType, PassRefPtrWillBeRawPtr<AbstractView>, PassRefPtrWillBeRawPtr<Event> underlyingEvent, SimulatedClickCreationScope);
 };
 
 class MouseEventDispatchMediator final : public EventDispatchMediator {
 public:
     static PassRefPtrWillBeRawPtr<MouseEventDispatchMediator> create(PassRefPtrWillBeRawPtr<MouseEvent>);
 
 private:
     explicit MouseEventDispatchMediator(PassRefPtrWillBeRawPtr<MouseEvent>);
     MouseEvent& event() const;
 
     bool dispatchEvent(EventDispatcher&) const override;
 };
 
 DEFINE_EVENT_TYPE_CASTS(MouseEvent);
 
 } // namespace blink
 
 #endif // MouseEvent_h