Run dartfmt on all files under runtime.

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

Index: runtime/observatory/tests/observatory_ui/cpu_profile/element_test.dart
diff --git a/runtime/observatory/tests/observatory_ui/cpu_profile/element_test.dart b/runtime/observatory/tests/observatory_ui/cpu_profile/element_test.dart
index 249d46589022eab9e63e4705814ed46167781c9f..1bba139cb51fa517af53a3e5453769652c9a8b63 100644
--- a/runtime/observatory/tests/observatory_ui/cpu_profile/element_test.dart
+++ b/runtime/observatory/tests/observatory_ui/cpu_profile/element_test.dart
@@ -29,18 +29,16 @@ main() {
     expect(e, isNotNull, reason: 'element correctly created');
   });
   test('elements created', () async {
-    final controller
-        = new StreamController<M.SampleProfileLoadingProgressEvent>.broadcast();
-    final profiles = new IsolateSampleProfileRepositoryMock(
-      getter: (M.IsolateRef i, M.SampleProfileTag t, bool clear,
-          bool forceFetch) {
-        expect(i, equals(isolate));
-        expect(t, isNotNull);
-        expect(clear, isFalse);
-        expect(forceFetch, isFalse);
-        return controller.stream;
-      }
-    );
+    final controller =
+        new StreamController<M.SampleProfileLoadingProgressEvent>.broadcast();
+    final profiles = new IsolateSampleProfileRepositoryMock(getter:
+        (M.IsolateRef i, M.SampleProfileTag t, bool clear, bool forceFetch) {
+      expect(i, equals(isolate));
+      expect(t, isNotNull);
+      expect(clear, isFalse);
+      expect(forceFetch, isFalse);
+      return controller.stream;
+    });
     final e = new CpuProfileElement(vm, isolate, events, notifs, profiles);
     document.body.append(e);
     await e.onRendered.first;
@@ -49,25 +47,19 @@ main() {
     expect(e.querySelectorAll(cTag).length, isZero);
     expect(e.querySelectorAll(tTag).length, isZero);
     controller.add(new SampleProfileLoadingProgressEventMock(
-      progress: new SampleProfileLoadingProgressMock(
-        status: M.SampleProfileLoadingStatus.fetching
-      )
-    ));
+        progress: new SampleProfileLoadingProgressMock(
+            status: M.SampleProfileLoadingStatus.fetching)));
     await e.onRendered.first;
     expect(e.querySelectorAll(sTag).length, equals(1));
     expect(e.querySelectorAll(cTag).length, isZero);
     expect(e.querySelectorAll(tTag).length, isZero);
     controller.add(new SampleProfileLoadingProgressEventMock(
-      progress: new SampleProfileLoadingProgressMock(
-        status: M.SampleProfileLoadingStatus.loading
-      )
-    ));
+        progress: new SampleProfileLoadingProgressMock(
+            status: M.SampleProfileLoadingStatus.loading)));
     controller.add(new SampleProfileLoadingProgressEventMock(
-      progress: new SampleProfileLoadingProgressMock(
-        status: M.SampleProfileLoadingStatus.loaded,
-        profile: new SampleProfileMock()
-      )
-    ));
+        progress: new SampleProfileLoadingProgressMock(
+            status: M.SampleProfileLoadingStatus.loaded,
+            profile: new SampleProfileMock())));
     controller.close();
     await e.onRendered.first;
     expect(e.querySelectorAll(sTag).length, equals(1));