Revert "Fix observatory tests broken by running dartfmt."

runtime/observatory/tests/observatory_ui/mocks/objects/code.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 CodeRefMock implements M.CodeRef {
   final String id;
   final String name;
   final M.CodeKind kind;
   final bool isOptimized;
 
-  const CodeRefMock({this.id, this.name, this.kind, this.isOptimized: false});
+  const CodeRefMock({this.id, this.name, this.kind, this.isOptimized: false });
 }
 
 class CodeMock implements M.Code {
   final String id;
   final String name;
   final String vmName;
   final M.ClassRef clazz;
   final int size;
   final M.CodeKind kind;
   final bool isOptimized;
   final M.FunctionRef function;
   final M.ObjectPoolRef objectPool;
   final Iterable<M.FunctionRef> inlinedFunctions;
 
-  const CodeMock(
-      {this.id: 'code-id',
-      this.name: 'code-name',
-      this.vmName: 'code-vmName',
-      this.clazz,
-      this.size,
-      this.kind: M.CodeKind.dart,
-      this.isOptimized: false,
-      this.function: const FunctionRefMock(),
-      this.objectPool: const ObjectPoolRefMock(),
-      this.inlinedFunctions: const []});
+  const CodeMock({this.id: 'code-id', this.name: 'code-name',
+                  this.vmName: 'code-vmName', this.clazz, this.size,
+                  this.kind: M.CodeKind.dart, this.isOptimized: false,
+                  this.function: const FunctionRefMock(),
+                  this.objectPool: const ObjectPoolRefMock(),
+                  this.inlinedFunctions: const []});
 }