Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System/compmod/system/codedom/CodeBaseReferenceExpression.cs

@@ -0,0 +1,30 @@
+//------------------------------------------------------------------------------
+// <copyright file="CodeBaseReferenceExpression.cs" company="Microsoft">
+// 
+// <OWNER>petes</OWNER>
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+namespace System.CodeDom {
+
+    using System.Diagnostics;
+    using System;
+    using Microsoft.Win32;
+    using System.Collections;
+    using System.Runtime.InteropServices;
+
+    /// <devdoc>
+    ///    <para>
+    ///       Represents a reference to the base 
+    ///       class.
+    ///    </para>
+    /// </devdoc>
+    [
+        ClassInterface(ClassInterfaceType.AutoDispatch),
+        ComVisible(true),
+        Serializable,
+    ]
+    public class CodeBaseReferenceExpression : CodeExpression {
+    }
+}