Moving all the PlatformEvent subclasses from core/platform to platform

Source/core/html/HTMLSelectElement.cpp

 /*
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * 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, 2009, 2010, 2011 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
@@ skipping 29 matching lines @@
 #include "core/events/MouseEvent.h"
 #include "core/html/HTMLFormElement.h"
 #include "core/html/HTMLOptGroupElement.h"
 #include "core/html/HTMLOptionElement.h"
 #include "core/html/HTMLOptionsCollection.h"
 #include "core/html/forms/FormController.h"
 #include "core/page/EventHandler.h"
 #include "core/page/Frame.h"
 #include "core/page/Page.h"
 #include "core/page/SpatialNavigation.h"
-#include "core/platform/PlatformMouseEvent.h"
 #include "core/platform/network/FormDataList.h"
 #include "core/rendering/RenderListBox.h"
 #include "core/rendering/RenderMenuList.h"
 #include "core/rendering/RenderTheme.h"
+#include "platform/PlatformMouseEvent.h"
 #include "platform/text/PlatformLocale.h"
 
 using namespace std;
 using namespace WTF::Unicode;
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 // Upper limit agreed upon with representatives of Opera and Mozilla.
@@ skipping 1507 matching lines @@
     return true;
 }
 
 bool HTMLSelectElement::anonymousIndexedSetterRemove(unsigned index, ExceptionState& es)
 {
     remove(index);
     return true;
 }
 
 } // namespace