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

components/autofill/browser/autofill_download_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 <list>
 
 #include "base/message_loop.h"
-#include "base/string_util.h"
+#include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/test_timeouts.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/autofill/browser/autofill_download.h"
 #include "components/autofill/browser/autofill_field.h"
 #include "components/autofill/browser/autofill_metrics.h"
 #include "components/autofill/browser/autofill_type.h"
 #include "components/autofill/browser/form_structure.h"
 #include "components/autofill/common/form_data.h"
@@ skipping 481 matching lines @@
   EXPECT_EQ(static_cast<size_t>(0), responses_.size());
 
   fetcher = factory.GetFetcherByID(3);
   ASSERT_TRUE(fetcher);
   FakeOnURLFetchComplete(fetcher, 200, std::string(responses[0]));
   ASSERT_EQ(static_cast<size_t>(1), responses_.size());
   EXPECT_EQ(responses[0], responses_.front().response);
 }
 
 }  // namespace autofill