Run dartfmt on all files under runtime.

runtime/observatory/tests/observatory_ui/icdata_view/element_test.dart

Index: runtime/observatory/tests/observatory_ui/icdata_view/element_test.dart
diff --git a/runtime/observatory/tests/observatory_ui/icdata_view/element_test.dart b/runtime/observatory/tests/observatory_ui/icdata_view/element_test.dart
index cde932c50ac628dbb581410aa0eb65e88f055acd..df1ee7f346fe6c53d43337ec122df371ab4a99b4 100644
--- a/runtime/observatory/tests/observatory_ui/icdata_view/element_test.dart
+++ b/runtime/observatory/tests/observatory_ui/icdata_view/element_test.dart
@@ -28,23 +28,20 @@ main() {
   final instances = new InstanceRepositoryMock();
   test('instantiation', () {
     final e = new ICDataViewElement(vm, isolate, icdata, events, notifs,
-                                     icdatas, retainedSizes, reachableSizes,
-                                     inbounds, paths, instances);
+        icdatas, retainedSizes, reachableSizes, inbounds, paths, instances);
     expect(e, isNotNull, reason: 'element correctly created');
     expect(e.isolate, equals(isolate));
     expect(e.icdata, equals(icdata));
   });
   test('elements created after attachment', () async {
     final icdatas = new ICDataRepositoryMock(
-      getter: expectAsync((i, id) async {
-        expect(i, equals(isolate));
-        expect(id, equals(icdata.id));
-        return icdata;
-      }, count: 1)
-    );
+        getter: expectAsync((i, id) async {
+      expect(i, equals(isolate));
+      expect(id, equals(icdata.id));
+      return icdata;
+    }, count: 1));
     final e = new ICDataViewElement(vm, isolate, icdata, events, notifs,
-                                     icdatas, retainedSizes, reachableSizes,
-                                     inbounds, paths, instances);
+        icdatas, retainedSizes, reachableSizes, inbounds, paths, instances);
     document.body.append(e);
     await e.onRendered.first;
     expect(e.children.length, isNonZero, reason: 'has elements');