Update and analyzer snapshot with AST -> Ast rename.

pkg/analyzer/lib/src/services/runtime/coverage/coverage_impl.dart

 // Copyright (c) 2013, 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.
 
 /// A library for code coverage support for Dart.
 library runtime.coverage.impl;
 
 import 'dart:async';
 import 'dart:collection' show SplayTreeMap;
 import 'dart:io';
@@ skipping 236 matching lines @@
     var parser = new Parser(source, errorListener);
     var reader = new CharSequenceReader(code);
     var scanner = new Scanner(null, reader, errorListener);
     var token = scanner.tokenize();
     return parser.parseCompilationUnit(token);
   }
 }
 
 
 /// The visitor that inserts `touch` method invocations.
-class InsertTouchInvocationsVisitor extends GeneralizingASTVisitor {
+class InsertTouchInvocationsVisitor extends GeneralizingAstVisitor {
   final AppInfo appInfo;
   final CodeInjector injector;
 
   InsertTouchInvocationsVisitor(this.appInfo, this.injector);
 
   visitClassDeclaration(ClassDeclaration node) {
     appInfo.enter('class', node.name.name);
     super.visitClassDeclaration(node);
     appInfo.leave();
   }
@@ skipping 62 matching lines @@
     var lastOffset = 0;
     offsetFragmentMap.forEach((offset, fragment) {
       sb.write(_code.substring(lastOffset, offset));
       sb.write(fragment);
       lastOffset = offset;
     });
     sb.write(_code.substring(lastOffset, _code.length));
     return sb.toString();
   }
 }