Update Listener implementations.

pkg/analyzer/lib/src/summary/fasta/stack_listener.dart

 // Copyright (c) 2016, 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.
 
 library fe.stack_listener;
 
 import 'dart:collection' show Queue;
 
-import 'package:front_end/src/fasta/parser/identifier_context.dart';
-import 'package:front_end/src/fasta/parser/listener.dart';
-import 'package:front_end/src/fasta/scanner/token.dart';
-import 'package:front_end/src/scanner/token.dart' show Token;
+import 'package:front_end/src/fasta/parser.dart'
+    show IdentifierContext, Listener, MemberKind;
+
+import 'package:front_end/src/fasta/scanner.dart' show BeginGroupToken, Token;
 
 enum NullValue {
   Arguments,
   Combinators,
   FormalParameters,
   FunctionBody,
   IdentifierList,
   Initializers,
   Metadata,
   Modifiers,
@@ skipping 36 matching lines @@
     push(token.lexeme);
   }
 
   void handleNoArguments(Token token) {
     debugEvent("NoArguments");
     var typeArguments = pop();
     assert(typeArguments == null);
     push(NullValue.Arguments);
   }
 
-  void handleNoFormalParameters(Token token) {
+  void handleNoFormalParameters(Token token, MemberKind kind) {
     debugEvent("NoFormalParameters");
     push(NullValue.FormalParameters);
   }
 
   void handleNoFunctionBody(Token token) {
     debugEvent("NoFunctionBody");
     push(NullValue.FunctionBody);
   }
 
   void handleNoInitializers() {
@@ skipping 49 matching lines @@
       list[i] = pop();
     }
     return list;
   }
 
   void push(Object node) {
     if (node == null) throw "null not allowed.";
     stack.addLast(node);
   }
 }