--- old/src/java.base/share/classes/sun/util/locale/provider/SPILocaleProviderAdapter.java	2017-11-10 15:30:37.775692907 -0800
+++ new/src/java.base/share/classes/sun/util/locale/provider/SPILocaleProviderAdapter.java	2017-11-10 15:30:37.426686383 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -571,6 +571,20 @@
             assert lnp != null;
             return lnp.getDisplayVariant(variant, locale);
         }
+
+        @Override
+        public String getDisplayUnicodeExtensionKey(String key, Locale locale) {
+            LocaleNameProvider lnp = getImpl(locale);
+            assert lnp != null;
+            return lnp.getDisplayUnicodeExtensionKey(key, locale);
+        }
+
+        @Override
+        public String getDisplayUnicodeExtensionType(String extType, String key, Locale locale) {
+            LocaleNameProvider lnp = getImpl(locale);
+            assert lnp != null;
+            return lnp.getDisplayUnicodeExtensionType(extType, key, locale);
+        }
     }
 
     static class TimeZoneNameProviderDelegate extends TimeZoneNameProvider