blink: Cleanup core class forward declarations

third_party/WebKit/Source/core/events/KeyboardEvent.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 15 matching lines @@
 #define KeyboardEvent_h
 
 #include "core/CoreExport.h"
 #include "core/events/KeyboardEventInit.h"
 #include "core/events/UIEventWithKeyState.h"
 #include "public/platform/WebInputEvent.h"
 #include <memory>
 
 namespace blink {
 
-class EventDispatcher;
 
 class CORE_EXPORT KeyboardEvent final : public UIEventWithKeyState {
   DEFINE_WRAPPERTYPEINFO();
 
  public:
   enum KeyLocationCode {
     kDomKeyLocationStandard = 0x00,
     kDomKeyLocationLeft = 0x01,
     kDomKeyLocationRight = 0x02,
     kDomKeyLocationNumpad = 0x03
@@ skipping 75 matching lines @@
   String m_code;
   String m_key;
   unsigned m_location;
 };
 
 DEFINE_EVENT_TYPE_CASTS(KeyboardEvent);
 
 }  // namespace blink
 
 #endif  // KeyboardEvent_h