Change new List(n) to return fixed length list.

pkg/analyzer-experimental/test/generated/scanner_test.dart

 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.scanner_test;
 
 import 'dart:collection';
 import 'package:analyzer-experimental/src/generated/java_core.dart';
 import 'package:analyzer-experimental/src/generated/java_engine.dart';
 import 'package:analyzer-experimental/src/generated/java_junit.dart';
 import 'package:analyzer-experimental/src/generated/source.dart';
@@ skipping 779 matching lines @@
   /**
    * Prevent the creation of instances of this class.
    */
   TokenFactory() {
   }
 }
 class KeywordStateTest extends JUnitTestCase {
   void test_KeywordState() {
     List<Keyword> keywords = Keyword.values;
     int keywordCount = keywords.length;
-    List<String> textToTest = new List<String>.fixedLength(keywordCount * 3);
+    List<String> textToTest = new List<String>(keywordCount * 3);
     for (int i = 0; i < keywordCount; i++) {
       String syntax3 = keywords[i].syntax;
       textToTest[i] = syntax3;
       textToTest[i + keywordCount] = "${syntax3}x";
       textToTest[i + keywordCount * 2] = syntax3.substring(0, syntax3.length - 1);
     }
     KeywordState firstState = KeywordState.KEYWORD_STATE;
     for (int i = 0; i < textToTest.length; i++) {
       String text = textToTest[i];
       int index = 0;
@@ skipping 1243 matching lines @@
     listener.assertNoErrors();
     return token;
   }
 }
 main() {
   CharBufferScannerTest.dartSuite();
   KeywordStateTest.dartSuite();
   StringScannerTest.dartSuite();
   TokenTypeTest.dartSuite();
 }