Revert "Fix observatory tests broken by running dartfmt."

runtime/tests/vm/dart/data_uri_spawn_test.dart

Index: runtime/tests/vm/dart/data_uri_spawn_test.dart
diff --git a/runtime/tests/vm/dart/data_uri_spawn_test.dart b/runtime/tests/vm/dart/data_uri_spawn_test.dart
index 25a18c1a845f92895243f863c33a4202e732eced..2db6e14b425fe3c7bafc7065713dba427d46f518 100644
--- a/runtime/tests/vm/dart/data_uri_spawn_test.dart
+++ b/runtime/tests/vm/dart/data_uri_spawn_test.dart
@@ -7,7 +7,7 @@ import "package:unittest/unittest.dart";
 
 Uri toDartDataUri(String source) {
   return Uri.parse("data:application/dart;charset=utf-8,"
-      "${Uri.encodeComponent(source)}");
+                   "${Uri.encodeComponent(source)}");
 }
 
 main() {
@@ -26,4 +26,4 @@ main(List args, SendPort replyPort) {
     }));
     Isolate.spawnUri(toDartDataUri(source), [], receivePort.sendPort);
   });
-}
+}