Kill off JS_ErrorString type.

fpdfsdk/include/javascript/global.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 _GLOBAL_H_
 #define _GLOBAL_H_
 
 class CJS_GlobalData;
@@ skipping 23 matching lines @@
         bool                            bDeleted;
 };
 
 class global_alternate : public CJS_EmbedObj
 {
 public:
         global_alternate(CJS_Object* pJSObject);
         virtual ~global_alternate();
 
 public:
-        FX_BOOL                                         setPersistent(IFXJS_Context* cc, const CJS_Parameters& params, CJS_Value& vRet, JS_ErrorString& sError);
+        FX_BOOL                                         setPersistent(IFXJS_Context* cc, const CJS_Parameters& params, CJS_Value& vRet, CFX_WideString& sError);
 
 public:
         FX_BOOL                                         QueryProperty(FX_LPCWSTR propname);
-        FX_BOOL                                         DoProperty(IFXJS_Context* cc, FX_LPCWSTR propname, CJS_PropValue & vp, JS_ErrorString & sError);
-        FX_BOOL                                         DelProperty(IFXJS_Context* cc, FX_LPCWSTR propname, JS_ErrorString & sError);
+        FX_BOOL                                         DoProperty(IFXJS_Context* cc, FX_LPCWSTR propname, CJS_PropValue & vp, CFX_WideString & sError);
+        FX_BOOL                                         DelProperty(IFXJS_Context* cc, FX_LPCWSTR propname, CFX_WideString & sError);
 
         void                                            Initial(CPDFDoc_Environment* pApp);
 
 private:
         void                                            UpdateGlobalPersistentVariables();
         void                                            CommitGlobalPersisitentVariables();
         void                                            DestroyGlobalPersisitentVariables();
         FX_BOOL                                         SetGlobalVariables(FX_LPCSTR propname, int nType, 
                                                                         double dData, bool bData, const CFX_ByteString& sData, JSObject pData, bool bDefaultPersistent);
 
@@ skipping 16 matching lines @@
 
         virtual FX_BOOL InitInstance(IFXJS_Context* cc);        
 
         DECLARE_SPECIAL_JS_CLASS(CJS_Global);
 
         JS_SPECIAL_STATIC_METHOD(setPersistent, global_alternate, global);
 
 };
 
 #endif //_GLOBAL_H_