Cleanup more test code.

chrome/test/sync/engine/test_directory_setter_upper.cc

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/test/sync/engine/test_directory_setter_upper.h"
 
 #include "base/file_util.h"
 #include "base/string_util.h"
 #include "chrome/browser/sync/syncable/directory_manager.h"
 #include "chrome/browser/sync/syncable/syncable.h"
 #include "chrome/common/deprecated/event_sys-inl.h"
@@ skipping 106 matching lines @@
 MockDirectorySetterUpper::Manager::Manager(
     const FilePath& root_path, syncable::Directory* dir) :
     syncable::DirectoryManager(root_path) {
   managed_directory_ = dir;
 }
 
 MockDirectorySetterUpper::MockDirectorySetterUpper()
     : directory_(new MockDirectory(name())) {
 }
 
+MockDirectorySetterUpper::~MockDirectorySetterUpper() {}
+
 void MockDirectorySetterUpper::SetUp() {
   reset_directory_manager(new Manager(FilePath(), directory_.get()));
 }
 
 void MockDirectorySetterUpper::TearDown() {
   // Nothing to do here.
 }
 
 }  // namespace browser_sync