Make UA dblclick events composed events

third_party/WebKit/Source/core/events/Event.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, 2007, 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
@@ skipping 247 matching lines @@
         double platformTimeStamp);
   Event(const AtomicString& type,
         bool canBubble,
         bool cancelable,
         ComposedMode = ComposedMode::Scoped);
   Event(const AtomicString& type, const EventInit&);
 
   virtual void receivedTarget();
 
   void setCanBubble(bool bubble) { m_canBubble = bubble; }
+  void setComposed(bool composed) {
+    DCHECK(!isBeingDispatched());
+    m_composed = composed;
+  }
 
   PassiveMode handlingPassive() const { return m_handlingPassive; }
 
  private:
   enum EventPathMode { EmptyAfterDispatch, NonEmptyAfterDispatch };
 
   HeapVector<Member<EventTarget>> pathInternal(ScriptState*,
                                                EventPathMode) const;
 
   AtomicString m_type;
@@ skipping 28 matching lines @@
   double m_platformTimeStamp;
 };
 
 #define DEFINE_EVENT_TYPE_CASTS(typeName)                          \
   DEFINE_TYPE_CASTS(typeName, Event, event, event->is##typeName(), \
                     event.is##typeName())
 
 }  // namespace blink
 
 #endif  // Event_h