blink: Cleanup class/struct forward declarations

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

 /*
  * Copyright (C) 2010 Google Inc. All Rights Reserved.
  *
  * 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
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 17 matching lines @@
 #define WindowEventContext_h
 
 #include "core/frame/LocalDOMWindow.h"
 #include "platform/heap/Handle.h"
 #include "wtf/RefPtr.h"
 
 namespace blink {
 
 class EventTarget;
 class Event;
-class Node;
 class NodeEventContext;
 
 class WindowEventContext : public GarbageCollected<WindowEventContext> {
   WTF_MAKE_NONCOPYABLE(WindowEventContext);
 
  public:
   WindowEventContext(Event&, const NodeEventContext& topNodeEventContext);
 
   LocalDOMWindow* window() const;
   EventTarget* target() const;
@@ skipping 10 matching lines @@
   return m_window.get();
 }
 
 inline EventTarget* WindowEventContext::target() const {
   return m_target.get();
 }
 
 }  // namespace blink
 
 #endif  // WindowEventContext_h