Breaking changes in 'analyzer' package.

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 'dart:collection';
@@ skipping 843 matching lines @@
   int get modificationStamp {
     throw new UnsupportedOperationException();
   }
   bool exists() => true;
   bool get isInSystemLibrary {
     throw new UnsupportedOperationException();
   }
   Source resolve(String uri) {
     throw new UnsupportedOperationException();
   }
-  Source resolveRelative(Uri uri) {
+  Uri resolveRelative(Uri uri) {
     throw new UnsupportedOperationException();
   }
   UriKind get uriKind {
     throw new UnsupportedOperationException();
   }
+  Uri get uri {
+    throw new UnsupportedOperationException();
+  }
   TimestampedData<String> get contents {
     throw new UnsupportedOperationException();
   }
 }