Update and analyzer snapshot with AST -> Ast rename.

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.
 
 // 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.test_support;
 
 import 'package:analyzer/src/generated/java_core.dart';
 import 'package:analyzer/src/generated/java_junit.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/generated/error.dart';
 import 'package:analyzer/src/generated/scanner.dart';
-import 'package:analyzer/src/generated/ast.dart' show ASTNode, NodeLocator;
+import 'package:analyzer/src/generated/ast.dart' show AstNode, NodeLocator;
 import 'package:analyzer/src/generated/element.dart' show InterfaceType, MethodElement, PropertyAccessorElement;
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:unittest/unittest.dart' as _ut;
 
 /**
  * Instances of the class `GatheringErrorListener` implement an error listener that collects
  * all of the errors passed to it for later examination.
  */
 class GatheringErrorListener implements AnalysisErrorListener {
   /**
@@ skipping 689 matching lines @@
    */
   static String createSource(List<String> lines) {
     PrintStringWriter writer = new PrintStringWriter();
     for (String line in lines) {
       writer.println(line);
     }
     return writer.toString();
   }
 
   /**
-   * @return the [ASTNode] with requested type at offset of the "prefix".
+   * @return the [AstNode] with requested type at offset of the "prefix".
    */
-  static ASTNode findNode(ASTNode root, String code, String prefix, Type clazz) {
+  static AstNode findNode(AstNode root, String code, String prefix, Type clazz) {
     int offset = code.indexOf(prefix);
     if (offset == -1) {
       throw new IllegalArgumentException("Not found '${prefix}'.");
     }
-    ASTNode node = new NodeLocator.con1(offset).searchWithin(root);
+    AstNode node = new NodeLocator.con1(offset).searchWithin(root);
     return node.getAncestor(clazz);
   }
 
   static void assertContains2(List<Object> array, List<bool> found, Object element) {
     if (element == null) {
       for (int i = 0; i < array.length; i++) {
         if (!found[i]) {
           if (array[i] == null) {
             found[i] = true;
             return;
@@ skipping 146 matching lines @@
         return trampoline(target, arguments[0], arguments[1]);
       case 3:
         return trampoline(target, arguments[0], arguments[1], arguments[2]);
       case 4:
         return trampoline(target, arguments[0], arguments[1], arguments[2], arguments[3]);
       default:
         throw new IllegalArgumentException("Not implemented for > 4 arguments");
     }
   }
 }