Run dartfmt on all files under runtime.

runtime/observatory/tests/service/isolate_lifecycle_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 'dart:async';
 import 'dart:developer';
 import 'dart:isolate' as I;
 
 import 'package:observatory/service_io.dart';
 import 'package:unittest/unittest.dart';
 import 'service_test_common.dart';
 import 'test_helper.dart';
 
 final spawnCount = 4;
 final resumeCount = spawnCount ~/ 2;
 final isolates = [];
 
-void spawnEntry(int i) {
-}
+void spawnEntry(int i) {}
 
 Future during() async {
   debugger();
   // Spawn spawnCount long lived isolates.
   for (var i = 0; i < spawnCount; i++) {
     var isolate = await I.Isolate.spawn(spawnEntry, i);
     isolates.add(isolate);
   }
   print('spawned all isolates');
 }
 
 int numPaused(vm) {
   int paused = 0;
   for (var isolate in vm.isolates) {
     if (isolate.paused) {
       paused++;
     }
   }
   return paused;
 }
 
 var tests = [
   (VM vm) async {
     expect(vm.isolates.length, 1);
     await hasStoppedAtBreakpoint(vm.isolates[0]);
   },
-
   (VM vm) async {
     Completer completer = new Completer();
     var stream = await vm.getEventStream(VM.kIsolateStream);
     var subscription;
     int startCount = 0;
     int runnableCount = 0;
     subscription = stream.listen((ServiceEvent event) {
       if (event.kind == ServiceEvent.kIsolateStart) {
         startCount++;
       }
       if (event.kind == ServiceEvent.kIsolateRunnable) {
         runnableCount++;
       }
       if (runnableCount == spawnCount) {
         subscription.cancel();
         completer.complete(null);
       }
     });
     expect(vm.isolates.length, 1);
     vm.isolates[0].resume();
     await completer.future;
     expect(startCount, spawnCount);
     expect(runnableCount, spawnCount);
     expect(vm.isolates.length, spawnCount + 1);
   },
-
   (VM vm) async {
     // Load each isolate.
     for (var isolate in vm.isolates) {
       await isolate.load();
     }
   },
-
   (VM vm) async {
     Completer completer = new Completer();
     var stream = await vm.getEventStream(VM.kDebugStream);
     if (numPaused(vm) < (spawnCount + 1)) {
       var subscription;
       subscription = stream.listen((ServiceEvent event) {
         if (event.kind == ServiceEvent.kPauseExit) {
           if (numPaused(vm) == (spawnCount + 1)) {
             subscription.cancel();
             completer.complete(null);
           }
         }
       });
       await completer.future;
     }
     expect(numPaused(vm), spawnCount + 1);
   },
-
-
   (VM vm) async {
     var resumedReceived = 0;
     Completer completer = new Completer();
     var stream = await vm.getEventStream(VM.kIsolateStream);
     var subscription;
     subscription = stream.listen((ServiceEvent event) {
       if (event.kind == ServiceEvent.kIsolateExit) {
         resumedReceived++;
         if (resumedReceived >= resumeCount) {
           subscription.cancel();
           completer.complete(null);
         }
       }
     });
 
     // Resume a subset of the isolates.
     var resumesIssued = 0;
     var isolateList = vm.isolates.toList();
     for (var isolate in isolateList) {
       if (isolate.name.endsWith('main')) {
         continue;
       }
       try {
         resumesIssued++;
         await isolate.resume();
-      } catch(_) {}
+      } catch (_) {}
       if (resumesIssued == resumeCount) {
         break;
       }
     }
     await completer.future;
   },
-
   (VM vm) async {
     expect(numPaused(vm), spawnCount + 1 - resumeCount);
   },
 ];
 
-main(args) async => runVMTests(args, tests,
-                               testeeConcurrent: during,
-                               pause_on_exit: true);
+main(args) async =>
+    runVMTests(args, tests, testeeConcurrent: during, pause_on_exit: true);