Move xfa/fwl/core to xfa/fwl.

xfa/fwl/cfwl_eventscroll.h

 // Copyright 2016 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef XFA_FWL_CORE_CFWL_EVTSCROLL_H_
-#define XFA_FWL_CORE_CFWL_EVTSCROLL_H_
+#ifndef XFA_FWL_CFWL_EVENTSCROLL_H_
+#define XFA_FWL_CFWL_EVENTSCROLL_H_
 
-#include "xfa/fwl/core/cfwl_event.h"
+#include "xfa/fwl/cfwl_event.h"
 
-class CFWL_EvtScroll : public CFWL_Event {
+class CFWL_EventScroll : public CFWL_Event {
  public:
   enum class Code {
     None = 1,
     Min,
     Max,
     PageBackward,
     PageForward,
     StepBackward,
     StepForward,
     Pos,
     TrackPos,
     EndScroll,
   };
 
-  explicit CFWL_EvtScroll(CFWL_Widget* pSrcTarget);
-  ~CFWL_EvtScroll() override;
+  explicit CFWL_EventScroll(CFWL_Widget* pSrcTarget);
+  ~CFWL_EventScroll() override;
 
   Code m_iScrollCode;
   FX_FLOAT m_fPos;
 };
 
-#endif  // XFA_FWL_CORE_CFWL_EVTSCROLL_H_
+#endif  // XFA_FWL_CFWL_EVENTSCROLL_H_