Use a direct include of strings headers in components/, part 1.

components/autofill/browser/autofill_ie_toolbar_import_win_unittest.cc

 // Copyright (c) 2012 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 "components/autofill/browser/autofill_ie_toolbar_import_win.h"
 
 #include "base/basictypes.h"
-#include "base/string16.h"
+#include "base/strings/string16.h"
 #include "base/win/registry.h"
 #include "components/autofill/browser/autofill_profile.h"
 #include "components/autofill/browser/credit_card.h"
 #include "components/autofill/browser/field_types.h"
 #include "sync/util/data_encryption_win.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::win::RegKey;
 
 namespace autofill {
@@ skipping 180 matching lines @@
   profiles.clear();
   credit_cards.clear();
   EXPECT_TRUE(ImportCurrentUserProfiles("en-US", &profiles, &credit_cards));
   // Profiles are not protected.
   EXPECT_EQ(2U, profiles.size());
   // Credit cards are.
   EXPECT_EQ(0U, credit_cards.size());
 }
 
 }  // namespace autofill