Run dartfmt on all files under runtime.

runtime/observatory/tests/service/inbound_references_test.dart

Index: runtime/observatory/tests/service/inbound_references_test.dart
diff --git a/runtime/observatory/tests/service/inbound_references_test.dart b/runtime/observatory/tests/service/inbound_references_test.dart
index b73ace5d01b9d1d9187a3bcb1b5cfacdcf0c8874..a08f86677b1f6e19d5d85384983f868bfdf4f106 100644
--- a/runtime/observatory/tests/service/inbound_references_test.dart
+++ b/runtime/observatory/tests/service/inbound_references_test.dart
@@ -13,7 +13,7 @@ class Node {
   var edge;
 }
 
-class Edge { }
+class Edge {}
 
 var n, e, array;
 
@@ -27,7 +27,6 @@ void script() {
 }
 
 var tests = [
-
   (Isolate isolate) async {
     var lib = await isolate.rootLibrary.load();
     var field = lib.variables.where((v) => v.name == 'e').single;
@@ -41,16 +40,16 @@ var tests = [
 
     // Assert e is referenced by at least n, array, and the top-level
     // field e.
-    hasReferenceSuchThat((r) => r['parentField'] != null &&
-                                r['parentField'].name == 'edge' &&
-                                r['source'].isInstance &&
-                                r['source'].clazz.name == 'Node');
-    hasReferenceSuchThat((r) => r['parentListIndex'] == 1 &&
-                                r['source'].isList);
-    hasReferenceSuchThat((r) => r['source'] is Field &&
-                                r['source'].name == 'e');
+    hasReferenceSuchThat((r) =>
+        r['parentField'] != null &&
+        r['parentField'].name == 'edge' &&
+        r['source'].isInstance &&
+        r['source'].clazz.name == 'Node');
+    hasReferenceSuchThat(
+        (r) => r['parentListIndex'] == 1 && r['source'].isList);
+    hasReferenceSuchThat(
+        (r) => r['source'] is Field && r['source'].name == 'e');
   }
-
 ];
 
 main(args) => runIsolateTests(args, tests, testeeBefore: script);