Revert "Fix observatory tests broken by running dartfmt."

runtime/observatory/tests/service/dominator_tree_user_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/heap_snapshot.dart';
 import 'package:observatory/models.dart' as M;
 import 'package:observatory/service_io.dart';
 import 'package:unittest/unittest.dart';
 import 'test_helper.dart';
 
 // small example from [Lenguaer & Tarjan 1979]
-class R {
-  var x;
-  var y;
-  var z;
-}
-
-class A {
-  var x;
-}
-
-class B {
-  var x;
-  var y;
-  var z;
-}
-
-class C {
-  var x;
-  var y;
-}
-
-class D {
-  var x;
-}
-
-class E {
-  var x;
-}
-
-class F {
-  var x;
-}
-
-class G {
-  var x;
-  var y;
-}
-
-class H {
-  var x;
-  var y;
-}
-
-class I {
-  var x;
-}
-
-class J {
-  var x;
-}
-
-class K {
-  var x;
-  var y;
-}
-
-class L {
-  var x;
-}
+class R { var x; var y; var z; }
+class A { var x; }
+class B { var x; var y; var z; }
+class C { var x; var y; }
+class D { var x; }
+class E { var x; }
+class F { var x; }
+class G { var x; var y; }
+class H { var x; var y; }
+class I { var x; }
+class J { var x; }
+class K { var x; var y; }
+class L { var x; }
 
 var r;
 
 buildGraph() {
   r = new R();
   var a = new A();
   var b = new B();
   var c = new C();
   var d = new D();
   var e = new E();
   var f = new F();
   var g = new G();
   var h = new H();
   var i = new I();
   var j = new J();
   var k = new K();
   var l = new L();
 
-  r.x = a;
-  r.y = b;
-  r.z = c;
+  r.x = a; r.y = b; r.z = c;
   a.x = d;
-  b.x = a;
-  b.y = d;
-  b.z = e;
-  c.x = f;
-  c.y = g;
+  b.x = a; b.y = d; b.z = e;
+  c.x = f; c.y = g;
   d.x = l;
   e.x = h;
   f.x = i;
-  g.x = i;
-  g.y = j;
-  h.x = e;
-  h.y = k;
+  g.x = i; g.y = j;
+  h.x = e; h.y = k;
   i.x = k;
   j.x = i;
-  k.x = i;
-  k.y = r;
+  k.x = i; k.y = r;
   l.x = h;
 }
 
 var tests = [
-  (Isolate isolate) async {
-    final rootLib = await isolate.rootLibrary.load();
-    final raw =
-        await isolate.fetchHeapSnapshot(M.HeapSnapshotRoots.user, false).last;
-    final snapshot = new HeapSnapshot();
-    await snapshot.loadProgress(isolate, raw).last;
+(Isolate isolate) async {
+  final rootLib = await isolate.rootLibrary.load();
+  final raw =
+      await isolate.fetchHeapSnapshot(M.HeapSnapshotRoots.user, false).last;
+  final snapshot = new HeapSnapshot();
+  await snapshot.loadProgress(isolate, raw).last;
 
-    node(String className) {
-      var cls = rootLib.classes.singleWhere((cls) => cls.name == className);
-      return snapshot.graph.vertices.singleWhere((v) => v.vmCid == cls.vmCid);
-    }
+  node(String className) {
+    var cls = rootLib.classes.singleWhere((cls) => cls.name == className);
+    return snapshot.graph.vertices.singleWhere((v) => v.vmCid == cls.vmCid);
+  }
 
-    expect(node('I').dominator, equals(node('R')));
-    expect(node('K').dominator, equals(node('R')));
-    expect(node('C').dominator, equals(node('R')));
-    expect(node('H').dominator, equals(node('R')));
-    expect(node('E').dominator, equals(node('R')));
-    expect(node('A').dominator, equals(node('R')));
-    expect(node('D').dominator, equals(node('R')));
-    expect(node('B').dominator, equals(node('R')));
+  expect(node('I').dominator, equals(node('R')));
+  expect(node('K').dominator, equals(node('R')));
+  expect(node('C').dominator, equals(node('R')));
+  expect(node('H').dominator, equals(node('R')));
+  expect(node('E').dominator, equals(node('R')));
+  expect(node('A').dominator, equals(node('R')));
+  expect(node('D').dominator, equals(node('R')));
+  expect(node('B').dominator, equals(node('R')));
 
-    expect(node('F').dominator, equals(node('C')));
-    expect(node('G').dominator, equals(node('C')));
-    expect(node('J').dominator, equals(node('G')));
-    expect(node('L').dominator, equals(node('D')));
+  expect(node('F').dominator, equals(node('C')));
+  expect(node('G').dominator, equals(node('C')));
+  expect(node('J').dominator, equals(node('G')));
+  expect(node('L').dominator, equals(node('D')));
 
-    expect(node('R'), isNotNull); // The field.
-  },
+  expect(node('R'), isNotNull);  // The field.
+},
 ];
 
 main(args) => runIsolateTests(args, tests, testeeBefore: buildGraph);