Remove cancel and make crash exit with code 253.

tests/compiler/dart2js/parser_test.dart

 // Copyright (c) 2011, 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.
 
 import "package:expect/expect.dart";
 import 'parser_helper.dart';
 import '../../../sdk/lib/_internal/compiler/implementation/tree/tree.dart';
 
 void testStatement(String statement) {
   Node node = parseStatement(statement);
@@ skipping 251 matching lines @@
   Expect.stringEquals('operator', name.receiver.source);
   Expect.stringEquals('-', name.selector.source);
   Expect.isTrue(function.parameters.isEmpty);
   Expect.isNull(function.returnType);
   Expect.isNull(function.getOrSet);
 }
 
 class Collector implements DiagnosticListener {
   int token = -1;
 
-  void cancel(String reason, {node, token, instruction, element}) {
+  void reportFatalError(Token token,
+                        messageKind,
+                        [Map arguments = const {}]) {
     this.token = token.kind;
     throw this;
   }
 
   void log(message) {
     print(message);
   }
 }
 
 void testMissingCloseParen() {
@@ skipping 46 matching lines @@
   testWhileStatement();
   testConditionalExpression();
   testAssignment();
   testIndex();
   testPostfix();
   testOperatorParse();
   testMissingCloseParen();
   testMissingCloseBraceInClass();
   testUnmatchedAngleBracket();
 }