Fix indentation.

tests/lib/async/catch_errors.dart

 library catch_errors;
 
 import 'dart:async';
 
 Stream catchErrors(void body()) {
   StreamController controller;
 
   bool onError(e, st) {
     controller.add(e);
     return true;
@@ skipping 28 matching lines @@
       }
     };
   }
   ScheduleMicrotaskHandler asyncHandler;
   if (onScheduleMicrotask != null) {
     asyncHandler = (Zone self, ZoneDelegate parent, Zone zone, f()) {
       self.parent.runUnary(onScheduleMicrotask, () => zone.runGuarded(f));
     };
   }
   ZoneSpecification specification =
-    new ZoneSpecification(handleUncaughtError: errorHandler,
-                        scheduleMicrotask: asyncHandler);
+      new ZoneSpecification(handleUncaughtError: errorHandler,
+                            scheduleMicrotask: asyncHandler);
   Zone zone = Zone.current.fork(specification: specification);
   if (onError != null) {
     return zone.runGuarded(body);
   } else {
     return zone.run(body);
   }
 }