Revert "Fix observatory tests broken by running dartfmt."

runtime/observatory/tests/observatory_ui/mocks/objects/icdata.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 ICDataRefMock implements M.ICDataRef {
   final String id;
   final String selector;
 
   const ICDataRefMock({this.id: 'icdata-id', this.selector});
 }
 
 class ICDataMock implements M.ICData {
   final String id;
   final M.ClassRef clazz;
   final String vmName;
   final int size;
   final String selector;
   final M.ObjectRef dartOwner;
   final M.InstanceRef argumentsDescriptor;
   final M.InstanceRef entries;
 
-  const ICDataMock(
-      {this.id: 'icdata-id',
-      this.vmName: 'icdata-vmName',
-      this.clazz: const ClassRefMock(),
-      this.size: 0,
-      this.selector,
-      this.dartOwner,
-      this.argumentsDescriptor,
-      this.entries});
+  const ICDataMock({this.id: 'icdata-id', this.vmName: 'icdata-vmName',
+                    this.clazz: const ClassRefMock(), this.size: 0,
+                    this.selector, this.dartOwner, this.argumentsDescriptor,
+                    this.entries});
 }