Revert "Fix observatory tests broken by running dartfmt."

runtime/observatory/tests/service/get_cpu_profile_timeline_rpc_test.dart

 // Copyright (c) 2015, 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.
 // VMOptions=--error_on_bad_type --error_on_bad_override
 
 import 'package:observatory/service_io.dart';
 import 'package:unittest/unittest.dart';
 
 import 'test_helper.dart';
 
 fib(n) {
   if (n < 0) return 0;
   if (n == 0) return 1;
   return fib(n - 1) + fib(n - 2);
 }
 
 testeeDo() {
   print("Testee doing something.");
   fib(25);
   print("Testee did something.");
 }
 
 var tests = [
   (Isolate isolate) async {
-    var params = {'tags': 'VMUser'};
-    var result =
-        await isolate.invokeRpcNoUpgrade('_getCpuProfileTimeline', params);
+    var params = {
+      'tags': 'VMUser'
+    };
+    var result = await isolate.invokeRpcNoUpgrade(
+        '_getCpuProfileTimeline', params);
     print(result);
     expect(result['type'], equals('_CpuProfileTimeline'));
 
     var isString = new isInstanceOf<String>();
     var isInt = new isInstanceOf<int>();
 
     Map frames = result['stackFrames'];
     for (Map frame in frames.values) {
       expect(frame['category'], isString);
       expect(frame['name'], isString);
       if (frame['parent'] != null) {
         expect(frames.containsKey(frame['parent']), isTrue);
       }
     }
 
     List events = result['traceEvents'];
     for (Map event in events) {
       expect(event['ph'], equals('P'));
       expect(event['pid'], isInt);
       expect(event['tid'], isInt);
       expect(event['ts'], isInt);
       expect(event['cat'], equals("Dart"));
       expect(frames.containsKey(event['sf']), isTrue);
     }
   },
 ];
 
 main(args) async => runIsolateTests(args, tests, testeeBefore: testeeDo);