Move xfa/fwl/core to xfa/fwl.

xfa/fwl/cfwl_formproxy.h

Index: xfa/fwl/cfwl_formproxy.h
diff --git a/xfa/fwl/core/cfwl_formproxy.h b/xfa/fwl/cfwl_formproxy.h
similarity index 83%
rename from xfa/fwl/core/cfwl_formproxy.h
rename to xfa/fwl/cfwl_formproxy.h
index 9c12597c098e97093d67c3ed4e095446751f3615..4ad70bf15c66368a31860128176034dedef031fc 100644
--- a/xfa/fwl/core/cfwl_formproxy.h
+++ b/xfa/fwl/cfwl_formproxy.h
@@ -4,12 +4,12 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef XFA_FWL_CORE_CFWL_FORMPROXY_H_
-#define XFA_FWL_CORE_CFWL_FORMPROXY_H_
+#ifndef XFA_FWL_CFWL_FORMPROXY_H_
+#define XFA_FWL_CFWL_FORMPROXY_H_
 
 #include <memory>
 
-#include "xfa/fwl/core/cfwl_form.h"
+#include "xfa/fwl/cfwl_form.h"
 
 class CFWL_WidgetProperties;
 
@@ -28,4 +28,4 @@ class CFWL_FormProxy : public CFWL_Form {
   void OnProcessMessage(CFWL_Message* pMessage) override;
 };
 
-#endif  // XFA_FWL_CORE_CFWL_FORMPROXY_H_
+#endif  // XFA_FWL_CFWL_FORMPROXY_H_