Fix observatory tests broken by running dartfmt. Temporarily reverted formatting for evaluate_activ…

runtime/observatory/tests/observatory_ui/mocks/objects/context.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 ContextRefMock implements M.ContextRef {
   final String id;
   final int length;
 
   const ContextRefMock({this.id: 'context-id', this.length});
 }
 
 class ContextMock implements M.Context {
   final String id;
   final M.ClassRef clazz;
   final String vmName;
   final int size;
   final int length;
   final M.Context parentContext;
   final Iterable<M.ContextElement> variables;
 
-  const ContextMock({this.id: 'context-id', this.vmName: 'context-vmName',
-                     this.clazz: const ClassMock(), this.size: 0, this.length,
-                     this.parentContext, this.variables: const []});
+  const ContextMock(
+      {this.id: 'context-id',
+      this.vmName: 'context-vmName',
+      this.clazz: const ClassMock(),
+      this.size: 0,
+      this.length,
+      this.parentContext,
+      this.variables: const []});
 }
 
 class ContextElementMock implements M.ContextElement {
   final GuardedMock<M.InstanceRef> value;
 
-  const ContextElementMock({this.value: const GuardedMock.fromValue(
-      const InstanceRefMock())});
+  const ContextElementMock(
+      {this.value: const GuardedMock.fromValue(const InstanceRefMock())});
 }