Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

external/entityframework/src/EntityFramework/Infrastructure/DefaultManifestTokenService.cs

@@ -0,0 +1,23 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
+
+namespace System.Data.Entity.Infrastructure
+{
+    using System.Data.Common;
+    using System.Data.Entity.Core.Common;
+    using System.Data.Entity.Utilities;
+
+    /// <summary>
+    ///     A default implementation of <see cref="IManifestTokenService" /> that uses the
+    ///     underlying provider to get the manifest token.
+    /// </summary>
+    public class DefaultManifestTokenService : IManifestTokenService
+    {
+        /// <inheritdoc />
+        public string GetProviderManifestToken(DbConnection connection)
+        {
+            Check.NotNull(connection, "connection");
+
+            return DbProviderServices.GetProviderServices(connection).GetProviderManifestTokenChecked(connection);
+        }
+    }
+}