Move xfa/fwl/core to xfa/fwl.

xfa/fwl/cfwl_message.h

Index: xfa/fwl/cfwl_message.h
diff --git a/xfa/fwl/core/cfwl_message.h b/xfa/fwl/cfwl_message.h
similarity index 84%
rename from xfa/fwl/core/cfwl_message.h
rename to xfa/fwl/cfwl_message.h
index 0c980066cca5ebf6f81a3019b8616c5fa469bccd..67e1f05cd3fc6a289dd5f7f49ff028a2a1a4a9c8 100644
--- a/xfa/fwl/core/cfwl_message.h
+++ b/xfa/fwl/cfwl_message.h
@@ -4,15 +4,15 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef XFA_FWL_CORE_CFWL_MESSAGE_H_
-#define XFA_FWL_CORE_CFWL_MESSAGE_H_
+#ifndef XFA_FWL_CFWL_MESSAGE_H_
+#define XFA_FWL_CFWL_MESSAGE_H_
 
 #include <memory>
 
 #include "core/fxcrt/fx_basic.h"
 #include "core/fxcrt/fx_string.h"
 #include "core/fxcrt/fx_system.h"
-#include "xfa/fwl/core/fwl_error.h"
+#include "xfa/fwl/fwl_error.h"
 
 class CFWL_Widget;
 
@@ -35,5 +35,4 @@ class CFWL_Message {
   Type m_type;
 };
 
-
-#endif  // XFA_FWL_CORE_CFWL_MESSAGE_H_
+#endif  // XFA_FWL_CFWL_MESSAGE_H_