Revert "Fix observatory tests broken by running dartfmt."

runtime/observatory/tests/observatory_ui/mocks/objects/isolate.dart

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of mocks;
 
 class IsolateRefMock implements M.IsolateRef {
   final String id;
   final int number;
   final String name;
@@ skipping 11 matching lines @@
   final M.Error error;
   final Iterable<String> extensionRPCs;
   final Map counters;
   final M.HeapSpace newSpace;
   final M.HeapSpace oldSpace;
   final M.IsolateStatus status;
   final M.DebugEvent pauseEvent;
   final M.LibraryRef rootLibrary;
   final M.FunctionRef entry;
 
-  const IsolateMock(
-      {this.id: 'i-id',
-      this.number,
-      this.name: 'i-name',
-      this.startTime,
-      this.runnable: true,
-      this.libraries: const [],
-      this.error,
-      this.extensionRPCs: const [],
-      this.counters: const {},
-      this.newSpace: const HeapSpaceMock(),
-      this.oldSpace: const HeapSpaceMock(),
-      this.status: M.IsolateStatus.loading,
-      this.pauseEvent,
-      this.rootLibrary,
-      this.entry});
+  const IsolateMock({this.id: 'i-id', this.number, this.name: 'i-name',
+                     this.startTime, this.runnable: true,
+                     this.libraries: const [], this.error,
+                     this.extensionRPCs: const [], this.counters: const {},
+                     this.newSpace: const HeapSpaceMock(),
+                     this.oldSpace: const HeapSpaceMock(),
+                     this.status: M.IsolateStatus.loading, this.pauseEvent,
+                     this.rootLibrary, this.entry});
 }