Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.Web/Abstractions/HttpPostedFileWrapper.cs

@@ -0,0 +1,53 @@
+//------------------------------------------------------------------------------
+// <copyright file="HttpPostedFileWrapper.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace System.Web {
+    using System;
+    using System.IO;
+    using System.Runtime.CompilerServices;
+
+    [TypeForwardedFrom("System.Web.Abstractions, Version=3.5.0.0, Culture=Neutral, PublicKeyToken=31bf3856ad364e35")]
+    public class HttpPostedFileWrapper : HttpPostedFileBase {
+
+        private HttpPostedFile _file;
+
+        public HttpPostedFileWrapper(HttpPostedFile httpPostedFile) {
+            if (httpPostedFile == null) {
+                throw new ArgumentNullException("httpPostedFile");
+            }
+            _file = httpPostedFile;
+        }
+
+        public override int ContentLength {
+            get {
+                return _file.ContentLength;
+            }
+        }
+
+        public override string ContentType {
+            get {
+                return _file.ContentType;
+            }
+        }
+
+        public override string FileName {
+            get {
+                return _file.FileName;
+            }
+        }
+
+        public override Stream InputStream {
+            get {
+                return _file.InputStream;
+            }
+        }
+
+        public override void SaveAs(string filename) {
+            _file.SaveAs(filename);
+        }
+
+    }
+}