Add implementsFunction to ClassElementY in modely.

pkg/analyzer2dart/lib/src/modely.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of analyzer2dart.element_converter;
 
 
 /// Base [dart2js.Element] implementation for converted analyzer elements.
 class ElementY extends dart2js.Element {
   final ElementConverter converter;
@@ skipping 552 matching lines @@
   @override
   bool get hasLocalScopeMembers => unsupported('hasLocalScopeMembers');
 
   @override
   int get hierarchyDepth => unsupported('hierarchyDepth');
 
   @override
   int get id => unsupported('id');
 
   @override
+  bool implementsFunction(compiler) => unsupported('implementsFunction');
+
+  @override
   bool implementsInterface(intrface) => unsupported('implementsInterface');
 
   @override
   get interfaces => unsupported('interfaces');
 
   @override
   bool get isProxy => unsupported('isProxy');
 
   @override
   bool isSubclassOf(cls) => unsupported('isSubclassOf');
@@ skipping 192 matching lines @@
   get immediateRedirectionTarget => unsupported('immediateRedirectionTarget');
 
   @override
   bool get isRedirectingFactory => unsupported('isRedirectingFactory');
 
   @override
   get nestedClosures => unsupported('nestedClosures');
 
   @override
   get type => unsupported('type');
-}
+}