Cleanup more test code.

chrome/browser/sessions/session_service_test_helper.h

Index: chrome/browser/sessions/session_service_test_helper.h
diff --git a/chrome/browser/sessions/session_service_test_helper.h b/chrome/browser/sessions/session_service_test_helper.h
index 062bb1cb4588434db4e3d93e68cb767054e732d2..882a0b5e937b778a70d0b4cecbdede32baf8428b 100644
--- a/chrome/browser/sessions/session_service_test_helper.h
+++ b/chrome/browser/sessions/session_service_test_helper.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 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.
 
@@ -23,10 +23,9 @@ class TabNavigation;
 
 class SessionServiceTestHelper {
  public:
-  explicit SessionServiceTestHelper() {}
-
-  explicit SessionServiceTestHelper(SessionService* service)
-      : service_(service) {}
+  explicit SessionServiceTestHelper();
+  explicit SessionServiceTestHelper(SessionService* service);
+  ~SessionServiceTestHelper();
 
   void RestoreSessionFromCommands(const std::vector<SessionCommand*>& commands,
                                   std::vector<SessionWindow*>* valid_windows);