Run dartfmt on all files under runtime.

runtime/observatory/tests/service/dominator_tree_vm_test.dart

Index: runtime/observatory/tests/service/dominator_tree_vm_test.dart
diff --git a/runtime/observatory/tests/service/dominator_tree_vm_test.dart b/runtime/observatory/tests/service/dominator_tree_vm_test.dart
index ceee90a1e0d74e1595084fe76002fec9c627f1d0..b78f82a676ec785c253bb6b535fd7beb13112333 100644
--- a/runtime/observatory/tests/service/dominator_tree_vm_test.dart
+++ b/runtime/observatory/tests/service/dominator_tree_vm_test.dart
@@ -10,19 +10,65 @@ 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;
 
@@ -41,50 +87,58 @@ buildGraph() {
   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.vm, 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);
-  }
-
-  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('R'), isNotNull);  // The field.
-},
+  (Isolate isolate) async {
+    final rootLib = await isolate.rootLibrary.load();
+    final raw =
+        await isolate.fetchHeapSnapshot(M.HeapSnapshotRoots.vm, 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);
+    }
+
+    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('R'), isNotNull); // The field.
+  },
 ];
 
 main(args) => runIsolateTests(args, tests, testeeBefore: buildGraph);