Make the vast majority of JS headers private to src/javascript.

fpdfsdk/include/javascript/util.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 FPDFSDK_INCLUDE_JAVASCRIPT_UTIL_H_
-#define FPDFSDK_INCLUDE_JAVASCRIPT_UTIL_H_
-
-#include <string>  // For std::wstring.
-
-#include "JS_Define.h"
-
-class util : public CJS_EmbedObj {
- public:
-  util(CJS_Object* pJSObject);
-  ~util() override;
-
- public:
-  FX_BOOL printd(IFXJS_Context* cc,
-                 const CJS_Parameters& params,
-                 CJS_Value& vRet,
-                 CFX_WideString& sError);
-  FX_BOOL printf(IFXJS_Context* cc,
-                 const CJS_Parameters& params,
-                 CJS_Value& vRet,
-                 CFX_WideString& sError);
-  FX_BOOL printx(IFXJS_Context* cc,
-                 const CJS_Parameters& params,
-                 CJS_Value& vRet,
-                 CFX_WideString& sError);
-  FX_BOOL scand(IFXJS_Context* cc,
-                const CJS_Parameters& params,
-                CJS_Value& vRet,
-                CFX_WideString& sError);
-  FX_BOOL byteToChar(IFXJS_Context* cc,
-                     const CJS_Parameters& params,
-                     CJS_Value& vRet,
-                     CFX_WideString& sError);
-
- public:
-  static void printd(const std::wstring& cFormat,
-                     CJS_Date Date,
-                     bool bXFAPicture,
-                     std::wstring& cPurpose);
-  static void printx(const std::string& cFormat,
-                     const std::string& cSource,
-                     std::string& cPurpose);
-  static int ParstDataType(std::wstring* sFormat);
-};
-
-class CJS_Util : public CJS_Object {
- public:
-  CJS_Util(v8::Local<v8::Object> pObject) : CJS_Object(pObject) {}
-  ~CJS_Util() override {}
-
-  DECLARE_JS_CLASS(CJS_Util);
-
-  JS_STATIC_METHOD(printd, util);
-  JS_STATIC_METHOD(printf, util);
-  JS_STATIC_METHOD(printx, util);
-  JS_STATIC_METHOD(scand, util);
-  JS_STATIC_METHOD(byteToChar, util);
-};
-
-int64_t FX_atoi64(const char* nptr);
-
-#endif  // FPDFSDK_INCLUDE_JAVASCRIPT_UTIL_H_