blink: Cleanup core class forward declarations

third_party/WebKit/Source/core/events/EventDispatcher.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  * Copyright (C) 2011 Google Inc. All rights reserved.
@@ skipping 23 matching lines @@
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 
 namespace blink {
 
 class Event;
 class EventDispatchMediator;
 class FrameView;
 class EventDispatchHandlingState;
 class Node;
-class NodeEventContext;
-class WindowEventContext;
 
 class EventDispatchHandlingState
     : public GarbageCollected<EventDispatchHandlingState> {
  public:
   DEFINE_INLINE_VIRTUAL_TRACE() {}
 };
 
 enum EventDispatchContinuation { ContinueDispatching, DoneDispatching };
 
 class EventDispatcher {
@@ skipping 26 matching lines @@
   Member<Event> m_event;
   Member<FrameView> m_view;
 #if DCHECK_IS_ON()
   bool m_eventDispatched = false;
 #endif
 };
 
 }  // namespace blink
 
 #endif