Issue 6526 - Use the maybe version of Compile() and Run()

src/JsError.h

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 11 matching lines @@
 #include <stdexcept>
 #include <v8.h>
 
 namespace AdblockPlus
 {
   class JsError : public std::runtime_error
   {
   public:
     JsError(v8::Isolate* isolate, const v8::Local<v8::Value>& exception,
             const v8::Local<v8::Message>& message);
+    JsError(const char* message, const char* filename, int line);
+
     static std::string ExceptionToString(v8::Isolate* isolate,
       const v8::Local<v8::Value>& exception,
       const v8::Local<v8::Message>& message);
-
+    static std::string ErrorToString(const char* message,
+      const char* filename, int line);
   };
 }
 
 #endif