Revert "Fix observatory tests broken by running dartfmt."

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

Index: runtime/observatory/tests/observatory_ui/heap_snapshot/element_test.dart
diff --git a/runtime/observatory/tests/observatory_ui/heap_snapshot/element_test.dart b/runtime/observatory/tests/observatory_ui/heap_snapshot/element_test.dart
index 6e7b6160be86ecb7e896531ba7928c6781f6c3a5..1136e392686fa435e858b40ed542a621f6d29335 100644
--- a/runtime/observatory/tests/observatory_ui/heap_snapshot/element_test.dart
+++ b/runtime/observatory/tests/observatory_ui/heap_snapshot/element_test.dart
@@ -22,37 +22,44 @@ main() {
   final snapshots = new HeapSnapshotRepositoryMock();
   final instances = new InstanceRepositoryMock();
   test('instantiation', () {
-    final e = new HeapSnapshotElement(
-        vm, isolate, events, notifs, snapshots, instances);
+    final e = new HeapSnapshotElement(vm, isolate, events, notifs, snapshots,
+                                      instances);
     expect(e, isNotNull, reason: 'element correctly created');
   });
   test('elements created', () async {
-    final controller =
-        new StreamController<M.HeapSnapshotLoadingProgressEvent>.broadcast();
-    final snapshots =
-        new HeapSnapshotRepositoryMock(getter: (M.IsolateRef i, bool gc) {
-      expect(i, equals(isolate));
-      expect(gc, isFalse);
-      return controller.stream;
-    });
-    final e = new HeapSnapshotElement(
-        vm, isolate, events, notifs, snapshots, instances);
+    final controller
+        = new StreamController<M.HeapSnapshotLoadingProgressEvent>.broadcast();
+    final snapshots = new HeapSnapshotRepositoryMock(
+      getter: (M.IsolateRef i, bool gc) {
+        expect(i, equals(isolate));
+        expect(gc, isFalse);
+        return controller.stream;
+      }
+    );
+    final e = new HeapSnapshotElement(vm, isolate, events, notifs, snapshots,
+                                      instances);
     document.body.append(e);
     await e.onRendered.first;
     expect(e.children.length, isNonZero, reason: 'has elements');
     expect(e.querySelectorAll(tTag).length, isZero);
     controller.add(const HeapSnapshotLoadingProgressEventMock(
-        progress: const HeapSnapshotLoadingProgressMock(
-            status: M.HeapSnapshotLoadingStatus.fetching)));
+      progress: const HeapSnapshotLoadingProgressMock(
+        status: M.HeapSnapshotLoadingStatus.fetching
+      )
+    ));
     await e.onRendered.first;
     expect(e.querySelectorAll(tTag).length, isZero);
     controller.add(const HeapSnapshotLoadingProgressEventMock(
-        progress: const HeapSnapshotLoadingProgressMock(
-            status: M.HeapSnapshotLoadingStatus.loading)));
+      progress: const HeapSnapshotLoadingProgressMock(
+        status: M.HeapSnapshotLoadingStatus.loading
+      )
+    ));
     controller.add(new HeapSnapshotLoadingProgressEventMock(
-        progress: new HeapSnapshotLoadingProgressMock(
-            status: M.HeapSnapshotLoadingStatus.loaded,
-            snapshot: new HeapSnapshotMock(timestamp: new DateTime.now()))));
+      progress: new HeapSnapshotLoadingProgressMock(
+        status: M.HeapSnapshotLoadingStatus.loaded,
+        snapshot: new HeapSnapshotMock(timestamp: new DateTime.now())
+      )
+    ));
     controller.close();
     await e.onRendered.first;
     expect(e.querySelectorAll(tTag).length, equals(1));