iwyu: Cleanup in the following files:

chrome/common/switch_utils_unittest.cc

-// 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.
 
 #include "chrome/common/switch_utils.h"
 
+#include "base/basictypes.h"
 #include "base/command_line.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 TEST(SwitchUtilsTest, RemoveSwitches) {
 #if defined(OS_WIN)
   // All these command line args (except foo and bar) will
   // be removed after RemoveSwitchesForAutostart:
   CommandLine cmd_line = CommandLine::FromString(
       L"program"
       L" --app=http://www.google.com/"
@@ skipping 19 matching lines @@
 
   std::map<std::string, CommandLine::StringType> switches =
       cmd_line.GetSwitches();
   EXPECT_EQ(7U, switches.size());
 
   switches::RemoveSwitchesForAutostart(&switches);
   EXPECT_EQ(2U, switches.size());
   EXPECT_TRUE(cmd_line.HasSwitch("foo"));
   EXPECT_TRUE(cmd_line.HasSwitch("bar"));
 }