Move PlatformScreen, PlatformScreenChromium, and Widget to Source/platform

Source/web/WebNode.cpp

 /*
  * Copyright (C) 2009 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 30 matching lines @@
 #include "WebNodeList.h"
 #include "WebPluginContainer.h"
 #include "WebPluginContainerImpl.h"
 #include "bindings/v8/ExceptionState.h"
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
 #include "core/events/Event.h"
 #include "core/dom/Node.h"
 #include "core/dom/NodeList.h"
 #include "core/editing/markup.h"
-#include "core/platform/Widget.h"
 #include "core/rendering/RenderObject.h"
 #include "core/rendering/RenderWidget.h"
+#include "platform/Widget.h"
 #include "public/platform/WebString.h"
 #include "public/platform/WebVector.h"
 
 using namespace WebCore;
 
 namespace WebKit {
 
 void WebNode::reset()
 {
     m_private.reset();
@@ skipping 202 matching lines @@
     m_private = node;
     return *this;
 }
 
 WebNode::operator PassRefPtr<Node>() const
 {
     return m_private.get();
 }
 
 } // namespace WebKit