Cleanup more test code.

chrome/test/webdriver/keymap.cc

Index: chrome/test/webdriver/keymap.cc
diff --git a/chrome/test/webdriver/keymap.cc b/chrome/test/webdriver/keymap.cc
index e1c3feccedbd8fec25970e34ac2c706dfff8cd52..c3080d771f05b11f49a7f463530a3aab944fb643 100644
--- a/chrome/test/webdriver/keymap.cc
+++ b/chrome/test/webdriver/keymap.cc
@@ -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.
 
@@ -118,6 +118,8 @@ KeyMap::KeyMap() {
   shifted_keys_[L')'] = ui::VKEY_0;
 }
 
+KeyMap::~KeyMap() {}
+
 ui::KeyboardCode KeyMap::Get(const wchar_t& key) const {
   std::map<wchar_t, ui::KeyboardCode>::const_iterator it;
   it = keys_.find(key);