Moving all the PlatformEvent subclasses from core/platform to platform

Source/core/html/HTMLInputElement.cpp

 /*
  * 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, 2011 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
@@ skipping 47 matching lines @@
 #include "core/html/forms/ColorInputType.h"
 #include "core/html/forms/FileInputType.h"
 #include "core/html/forms/FormController.h"
 #include "core/html/forms/InputType.h"
 #include "core/html/forms/SearchInputType.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "core/page/Frame.h"
 #include "core/page/FrameView.h"
 #include "core/page/UseCounter.h"
 #include "core/platform/DateTimeChooser.h"
-#include "core/platform/PlatformMouseEvent.h"
 #include "core/rendering/RenderTextControlSingleLine.h"
 #include "core/rendering/RenderTheme.h"
 #include "platform/Language.h"
+#include "platform/PlatformMouseEvent.h"
 #include "platform/text/PlatformLocale.h"
 #include "wtf/MathExtras.h"
 
 using namespace std;
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 class ListAttributeTargetObserver : IdTargetObserver {
@@ skipping 1790 matching lines @@
 }
 
 #if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
 PassRefPtr<RenderStyle> HTMLInputElement::customStyleForRenderer()
 {
     return m_inputTypeView->customStyleForRenderer(originalStyleForRenderer());
 }
 #endif
 
 } // namespace