Run dartfmt on all files under runtime.

runtime/observatory/tests/service/library_dependency_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';
 
 export 'dart:collection';
 import 'dart:mirrors' as mirrors;
 import 'dart:convert' deferred as convert;
 
 var tests = [
+  (Isolate isolate) async {
+    var lib = await isolate.rootLibrary.load();
+    // Use mirrors to shutup the analyzer.
+    mirrors.currentMirrorSystem();
+    importOf(String uri) {
+      return lib.dependencies.singleWhere((dep) => dep.target.uri == uri);
+    }
 
-(Isolate isolate) async {
-  var lib = await isolate.rootLibrary.load();
-  // Use mirrors to shutup the analyzer.
-  mirrors.currentMirrorSystem();
-  importOf(String uri) {
-    return lib.dependencies.singleWhere((dep) => dep.target.uri == uri);
+    expect(importOf("dart:collection").isImport, isFalse);
+    expect(importOf("dart:collection").isExport, isTrue);
+    expect(importOf("dart:collection").isDeferred, isFalse);
+    expect(importOf("dart:collection").prefix, equals(null));
+
+    expect(importOf("dart:mirrors").isImport, isTrue);
+    expect(importOf("dart:mirrors").isExport, isFalse);
+    expect(importOf("dart:mirrors").isDeferred, isFalse);
+    expect(importOf("dart:mirrors").prefix, equals("mirrors"));
+
+    expect(importOf("dart:convert").isImport, isTrue);
+    expect(importOf("dart:convert").isExport, isFalse);
+    expect(importOf("dart:convert").isDeferred, isTrue);
+    expect(importOf("dart:convert").prefix, equals("convert"));
+  },
+  (Isolate isolate) async {
+    return convert.loadLibrary();
   }
-
-  expect(importOf("dart:collection").isImport, isFalse);
-  expect(importOf("dart:collection").isExport, isTrue);
-  expect(importOf("dart:collection").isDeferred, isFalse);
-  expect(importOf("dart:collection").prefix, equals(null));
-
-  expect(importOf("dart:mirrors").isImport, isTrue);
-  expect(importOf("dart:mirrors").isExport, isFalse);
-  expect(importOf("dart:mirrors").isDeferred, isFalse);
-  expect(importOf("dart:mirrors").prefix, equals("mirrors"));
-
-  expect(importOf("dart:convert").isImport, isTrue);
-  expect(importOf("dart:convert").isExport, isFalse);
-  expect(importOf("dart:convert").isDeferred, isTrue);
-  expect(importOf("dart:convert").prefix, equals("convert"));
-},
-
-(Isolate isolate) async {
-  return convert.loadLibrary();
-}
 ];
 
 main(args) => runIsolateTests(args, tests);