Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.IdentityModel/System/AppContextDefaultValues.cs

@@ -0,0 +1,39 @@
+//------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------
+namespace System
+{
+    using System.IdentityModel;
+
+    internal static partial class AppContextDefaultValues
+    {
+        static partial void PopulateDefaultValuesPartial(string platformIdentifier, string profile, int version)
+        {
+            // When defining a new switch  you should add it to the last known version.             
+            // For instance, if you are adding a switch in .NET 4.6 (the release after 4.5.2) you should define your switch             
+            // like this:             
+            //    if (version <= 40502) ...             
+            // This ensures that all previous versions of that platform (up-to 4.5.2) will get the old behavior by default             
+            // NOTE: When adding a default value for a switch please make sure that the default value is added to ALL of the existing platforms!             
+            // NOTE: When adding a new if statement for the version please ensure that ALL previous switches are enabled (ie. don't use else if) 
+            switch (platformIdentifier)
+            {
+                case ".NETCore":
+                case ".NETFramework":
+                    {
+                        if (version <= 40502)
+                        {
+                            LocalAppContextSwitches.SetDefaultsLessOrEqual_452();
+                        }
+
+                        if (version <= 40600)
+                        {
+                            LocalAppContextSwitches.SetDefaultsLessOrEqual_46();
+                        }
+
+                        break;
+                    }
+            }
+        }
+    }
+}