Move xfa/fwl/core to xfa/fwl.

xfa/fwl/cfwl_messagemouse.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_MSGMOUSE_H_
-#define XFA_FWL_CORE_CFWL_MSGMOUSE_H_
+#ifndef XFA_FWL_CFWL_MESSAGEMOUSE_H_
+#define XFA_FWL_CFWL_MESSAGEMOUSE_H_
 
 #include <memory>
 
-#include "xfa/fwl/core/cfwl_message.h"
+#include "xfa/fwl/cfwl_message.h"
 
 enum class FWL_MouseCommand {
   LeftButtonDown,
   LeftButtonUp,
   LeftButtonDblClk,
   RightButtonDown,
   RightButtonUp,
   RightButtonDblClk,
   Move,
   Enter,
   Leave,
   Hover
 };
 
-class CFWL_MsgMouse : public CFWL_Message {
+class CFWL_MessageMouse : public CFWL_Message {
  public:
-  CFWL_MsgMouse(CFWL_Widget* pSrcTarget, CFWL_Widget* pDstTarget);
-  ~CFWL_MsgMouse() override;
+  CFWL_MessageMouse(CFWL_Widget* pSrcTarget, CFWL_Widget* pDstTarget);
+  ~CFWL_MessageMouse() override;
 
   // CFWL_Message
   std::unique_ptr<CFWL_Message> Clone() override;
 
   FX_FLOAT m_fx;
   FX_FLOAT m_fy;
   uint32_t m_dwFlags;
   FWL_MouseCommand m_dwCmd;
 };
 
-#endif  // XFA_FWL_CORE_CFWL_MSGMOUSE_H_
+#endif  // XFA_FWL_CFWL_MESSAGEMOUSE_H_