Fix Issue #1582, Use ToLowerInvariant while converting Function names to avoid culture specific conversion.

Author: akjana35

CefSharp/Internals/JavascriptObjectRepository.cs

@@ -342,7 +342,7 @@ private static string GetJavascriptName(string str, bool camelCaseJavascriptName
                 return string.Empty;
             }
 
-            return char.ToLower(str[0]) + str.Substring(1);
+            return char.ToLowerInvariant(str[0]) + str.Substring(1);
         }
     }
 }