Add an argument to handleFunctionBodySkipped.

pkg/front_end/lib/src/fasta/parser/parser.dart

 // Copyright (c) 2012, 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 fasta.parser.parser;
 
 import '../scanner.dart' show ErrorToken;
 
 import '../scanner/recover.dart' show closeBraceFor, skipToEof;
 
@@ skipping 1989 matching lines @@
     String value = token.stringValue;
     if (identical(value, ';')) {
       if (!allowAbstract) {
         reportRecoverableError(token, ErrorKind.ExpectedBody);
       }
       listener.handleNoFunctionBody(token);
     } else {
       if (identical(value, '=>')) {
         token = parseExpression(token.next);
         expectSemicolon(token);
+        listener.handleFunctionBodySkipped(token, true);
       } else if (identical(value, '=')) {
         reportRecoverableError(token, ErrorKind.ExpectedBody);
         token = parseExpression(token.next);
         expectSemicolon(token);
+        listener.handleFunctionBodySkipped(token, true);
       } else {
         token = skipBlock(token);
+        listener.handleFunctionBodySkipped(token, false);
       }
-      listener.handleFunctionBodySkipped(token);
     }
     return token;
   }
 
   Token parseFunctionBody(Token token, bool isExpression, bool allowAbstract) {
     if (optional(';', token)) {
       if (!allowAbstract) {
         reportRecoverableError(token, ErrorKind.ExpectedBody);
       }
       listener.endFunctionBody(0, null, token);
@@ skipping 1550 matching lines @@
         break;
     }
     if (isRecoverable) {
       listener.handleRecoverableError(token, kind, arguments);
       return null;
     } else {
       return listener.handleUnrecoverableError(token, kind, arguments)?.next;
     }
   }
 }