Net Core - Update Ref Assembly Generated Code

Author: amaitland

CefSharp.Core.Runtime.RefAssembly/CefSharp.Core.Runtime.netcore.cs

@@ -63,6 +63,7 @@ public Cef() { }
         public static System.Threading.Tasks.TaskFactory FileThreadTaskFactory { get { throw null; } set { } }
         public static System.Threading.Tasks.TaskFactory IOThreadTaskFactory { get { throw null; } set { } }
         public static bool IsInitialized { get { throw null; } }
+        public static bool IsShutdown { get { throw null; } }
         public static System.Threading.Tasks.TaskFactory UIThreadTaskFactory { get { throw null; } set { } }
         public static bool AddCrossOriginWhitelistEntry(string sourceOrigin, string targetProtocol, string targetDomain, bool allowTargetSubdomains) { throw null; }
         public static void AddDisposable(System.IDisposable item) { }