Move scanner into pkg/front_end/lib/src/scanner.

pkg/analyzer/test/generated/test_support.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.
 
 library analyzer.test.generated.test_support;
 
 import 'dart:collection';
 
 import 'package:analyzer/dart/ast/ast.dart' show AstNode, SimpleIdentifier;
 import 'package:analyzer/dart/element/element.dart';
@@ skipping 224 matching lines @@
   /**
    * Assert that the number of errors that have been gathered matches the number of errors that are
    * given and that they have the expected error codes. The order in which the errors were gathered
    * is ignored.
    *
    * @param expectedErrorCodes the error codes of the errors that should have been gathered
    * @throws AssertionFailedError if a different number of errors have been gathered than were
    *           expected
    */
   void assertErrorsWithCodes(
-      [List<ErrorCode> expectedErrorCodes = ErrorCode.EMPTY_LIST]) {
+      [List<ErrorCode> expectedErrorCodes = const <ErrorCode>[]]) {
     StringBuffer buffer = new StringBuffer();
     //
     // Verify that the expected error codes have a non-empty message.
     //
     for (ErrorCode errorCode in expectedErrorCodes) {
       expect(errorCode.message.isEmpty, isFalse,
           reason: "Empty error code message");
     }
     //
     // Compute the expected number of each type of error.
@@ skipping 381 matching lines @@
     return UriKind.FILE_URI;
   }
 
   bool operator ==(Object other) {
     if (other is TestSource) {
       return other.uri == uri;
     }
     return false;
   }
 }