Refactor CompilerOutput

tests/compiler/dart2js/deferred_load_mapping_test.dart

Index: tests/compiler/dart2js/deferred_load_mapping_test.dart
diff --git a/tests/compiler/dart2js/deferred_load_mapping_test.dart b/tests/compiler/dart2js/deferred_load_mapping_test.dart
index 18be4f0103eba5c8ad718fe8efcab355b00ccde4..e4aebd35d87f0cb1cdf471aa2dd44b6fde38e6c0 100644
--- a/tests/compiler/dart2js/deferred_load_mapping_test.dart
+++ b/tests/compiler/dart2js/deferred_load_mapping_test.dart
@@ -4,6 +4,7 @@
 
 import 'package:expect/expect.dart';
 import "package:async_helper/async_helper.dart";
+import 'package:compiler/compiler_new.dart';
 import 'memory_source_file_helper.dart';
 import "memory_compiler.dart";
 
@@ -16,7 +17,7 @@ void main() {
         outputProvider: collector);
     CompilerImpl compiler = result.compiler;
     // Ensure a mapping file is output.
-    Expect.isNotNull(collector.getOutput("deferred_map.json", "deferred_map"));
+    Expect.isNotNull(collector.getOutput("deferred_map.json", OutputType.info));
 
     Map mapping = compiler.deferredLoadTask.computeDeferredMap();
     // Test structure of mapping.