Move PlatformScreen, PlatformScreenChromium, and Widget to Source/platform

Source/core/html/HTMLPlugInElement.cpp

 /**
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Stefan Schimanski (1Stein@gmx.de)
  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.
  *
  * 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 13 matching lines @@
 #include "core/html/HTMLPlugInElement.h"
 
 #include "CSSPropertyNames.h"
 #include "HTMLNames.h"
 #include "bindings/v8/ScriptController.h"
 #include "bindings/v8/npruntime_impl.h"
 #include "core/dom/Document.h"
 #include "core/events/Event.h"
 #include "core/page/EventHandler.h"
 #include "core/frame/Frame.h"
-#include "core/platform/Widget.h"
 #include "core/plugins/PluginView.h"
 #include "core/rendering/RenderEmbeddedObject.h"
 #include "core/rendering/RenderWidget.h"
+#include "platform/Widget.h"
 #include "wtf/UnusedParam.h"
 
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 HTMLPlugInElement::HTMLPlugInElement(const QualifiedName& tagName, Document& doc)
     : HTMLFrameOwnerElement(tagName, doc)
     , m_NPObject(0)
@@ skipping 196 matching lines @@
 
 NPObject* HTMLPlugInElement::getNPObject()
 {
     ASSERT(document().frame());
     if (!m_NPObject)
         m_NPObject = document().frame()->script()->createScriptObjectForPluginElement(this);
     return m_NPObject;
 }
 
 }