Remove unused or unneeded stuff from java_core.dart.

pkg/analyzer/test/dart/ast/ast_test.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.dart.ast.ast_test;
 
 import 'package:analyzer/dart/ast/ast.dart';
-import 'package:analyzer/src/generated/java_core.dart';
 import 'package:analyzer/src/generated/scanner.dart';
 import 'package:analyzer/src/generated/testing/ast_factory.dart';
 import 'package:analyzer/src/generated/testing/token_factory.dart';
 import 'package:unittest/unittest.dart';
 
 import '../../generated/parser_test.dart' show ParserTestCase;
 import '../../generated/test_support.dart';
 import '../../reflective_tests.dart';
 import '../../utils.dart';
 
@@ skipping 476 matching lines @@
     AstNode firstNode = AstFactory.booleanLiteral(true);
     AstNode secondNode = AstFactory.booleanLiteral(false);
     AstNode thirdNode = AstFactory.booleanLiteral(true);
     nodes.add(firstNode);
     nodes.add(secondNode);
     nodes.add(thirdNode);
     NodeList<AstNode> list = new NodeList<AstNode>(AstFactory.argumentList());
     list.addAll(nodes);
     expect(list, hasLength(3));
     AstNode fourthNode = AstFactory.integer(0);
-    expect(javaListSet(list, 1, fourthNode), same(secondNode));
+    list[1] = fourthNode;
     expect(list, hasLength(3));
     expect(list[0], same(firstNode));
     expect(list[1], same(fourthNode));
     expect(list[2], same(thirdNode));
   }
 
   void test_set_negative() {
     AstNode node = AstFactory.booleanLiteral(true);
     NodeList<AstNode> list = new NodeList<AstNode>(AstFactory.argumentList());
     try {
-      javaListSet(list, -1, node);
+      list[-1] = node;
       fail("Expected IndexOutOfBoundsException");
     } on RangeError {
       // Expected
     }
   }
 
   void test_set_tooBig() {
     AstNode node = AstFactory.booleanLiteral(true);
     NodeList<AstNode> list = new NodeList<AstNode>(AstFactory.argumentList());
     try {
-      javaListSet(list, 1, node);
+      list[1] = node;
       fail("Expected IndexOutOfBoundsException");
     } on RangeError {
       // Expected
     }
   }
 }
 
 @reflectiveTest
 class SimpleIdentifierTest extends ParserTestCase {
   void test_inDeclarationContext_catch_exception() {
@@ skipping 761 matching lines @@
   final int ordinal;
 
   const _WrapperKind(this.name, this.ordinal);
 
   int get hashCode => ordinal;
 
   int compareTo(_WrapperKind other) => ordinal - other.ordinal;
 
   String toString() => name;
 }