fix tests

pkg/dart2js_incremental/lib/library_updater.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 dart2js_incremental.library_updater;
 
 import 'dart:async' show
     Future;
 
 import 'package:compiler/compiler.dart' as api;
@@ skipping 665 matching lines @@
 
   /// Returns true if function [before] can be reused to reflect the changes in
   /// [after].
   ///
   /// If [before] can be reused, an update (patch) is added to [updates].
   bool canReuseFunction(
       Token diffToken,
       PartialFunctionElement before,
       PartialFunctionElement after) {
     FunctionExpression node =
-        after.parseNode(compiler.parsing).asFunctionExpression();
+        after.parseNode(compiler.parsingContext).asFunctionExpression();
     if (node == null) {
       return cannotReuse(after, "Not a function expression: '$node'");
     }
     Token last = after.endToken;
     if (node.body != null) {
       last = node.body.getBeginToken();
     }
     if (isTokenBetween(diffToken, after.beginToken, last)) {
       removeFunction(before);
       addFunction(after, before.enclosingElement);
       return true;
     }
     logVerbose('Simple modification of ${after} detected');
     updates.add(new FunctionUpdate(compiler, before, after));
     return true;
   }
 
   bool canReuseClass(
       Token diffToken,
       PartialClassElement before,
       PartialClassElement after) {
-    ClassNode node = after.parseNode(compiler.parsing).asClassNode();
+    ClassNode node = after.parseNode(compiler.parsingContext).asClassNode();
     if (node == null) {
       return cannotReuse(after, "Not a ClassNode: '$node'");
     }
     NodeList body = node.body;
     if (body == null) {
       return cannotReuse(after, "Class has no body.");
     }
     if (isTokenBetween(diffToken, node.beginToken, body.beginToken)) {
       logVerbose('Class header modified in ${after}');
       updates.add(new ClassUpdate(compiler, before, after));
@@ skipping 793 matching lines @@
         .buildFieldsHackForIncrementalCompilation(classElement);
     // TODO(ahe): Rewrite for new emitter.
     ClassBuilder builder = new ClassBuilder(classElement, namer);
     classEmitter.emitFields(cls, builder);
     return builder.fields;
   }
 }
 
 // TODO(ahe): Remove this method.
 NO_WARN(x) => x;