| Index: tests/compiler/dart2js/memory_source_file_helper.dart | 
| diff --git a/tests/compiler/dart2js/memory_source_file_helper.dart b/tests/compiler/dart2js/memory_source_file_helper.dart | 
| index 0a0428bee0af1eb8919af660278f135a7439f8ba..3ff2ba53f4a0702d1e6184865d015bc01d31dcac 100644 | 
| --- a/tests/compiler/dart2js/memory_source_file_helper.dart | 
| +++ b/tests/compiler/dart2js/memory_source_file_helper.dart | 
| @@ -52,4 +52,7 @@ class MemorySourceFileProvider extends SourceFileProvider { | 
| } | 
| return new StringSourceFile.fromUri(resourceUri, source); | 
| } | 
| + | 
| +  @override | 
| +  Future readFromUri(Uri resourceUri) => readStringFromUri(resourceUri); | 
| } | 
|  |