Move xfa/src up to xfa/.

xfa/src/fxfa/fm2js/xfa_error.h

-// Copyright 2014 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_SRC_FXFA_FM2JS_XFA_ERROR_H_
-#define XFA_SRC_FXFA_FM2JS_XFA_ERROR_H_
-
-#include "core/include/fxcrt/fx_string.h"
-#include "core/include/fxcrt/fx_system.h"
-
-enum XFA_FM_ERRMSG {
-  FMERR_UNSUPPORTED_CHAR,
-  FMERR_BAD_SUFFIX_NUMBER,
-  FMERR_INVALIDATE_CHAR,
-  FMERR_EXPECTED_IDENTIFIER,
-  FMERR_EXPECTED_TOKEN,
-  FMERR_EXPECTED_IFEND,
-  FMERR_UNEXPECTED_EXPRESSION,
-  FMERR_EXPTECTED_OPERATOR,
-  FMERR_EXPECTED_NON_EMPTY_EXPRESSION,
-  FMERR_MAXIMUM
-};
-
-class CXFA_FMErrorInfo {
- public:
-  CXFA_FMErrorInfo() : linenum(0) {}
-  ~CXFA_FMErrorInfo() {}
-  FX_DWORD linenum;
-  CFX_WideString message;
-};
-const FX_WCHAR* XFA_FM_ErrorMsg(XFA_FM_ERRMSG msg);
-
-#endif  // XFA_SRC_FXFA_FM2JS_XFA_ERROR_H_