Remove FX_BOOL from xfa.

xfa/fxfa/xfa_ffdochandler.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_FXFA_XFA_FFDOCHANDLER_H_
 #define XFA_FXFA_XFA_FFDOCHANDLER_H_
 
 #include "xfa/fxfa/fxfa.h"
 
 class CXFA_ChecksumContext;
 
 class CXFA_FFDocHandler {
  public:
   CXFA_FFDocHandler();
   ~CXFA_FFDocHandler();
 
   CFXJSE_Value* GetXFAScriptObject(CXFA_FFDoc* hDoc);
   XFA_ATTRIBUTEENUM GetRestoreState(CXFA_FFDoc* hDoc);
 
-  FX_BOOL RunDocScript(CXFA_FFDoc* hDoc,
-                       XFA_SCRIPTTYPE eScriptType,
-                       const CFX_WideStringC& wsScript,
-                       CFXJSE_Value* pRetValue,
-                       CFXJSE_Value* pThisObject);
+  bool RunDocScript(CXFA_FFDoc* hDoc,
+                    XFA_SCRIPTTYPE eScriptType,
+                    const CFX_WideStringC& wsScript,
+                    CFXJSE_Value* pRetValue,
+                    CFXJSE_Value* pThisObject);
 
  protected:
 };
 
 #endif  // XFA_FXFA_XFA_FFDOCHANDLER_H_