Revert of Delete base/prefs and update callers to use components.

components/autofill/core/browser/autocomplete_history_manager_unittest.cc

 // Copyright 2013 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 <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
+#include "base/prefs/pref_service.h"
 #include "base/run_loop.h"
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/thread_task_runner_handle.h"
 #include "components/autofill/core/browser/autocomplete_history_manager.h"
 #include "components/autofill/core/browser/autofill_external_delegate.h"
 #include "components/autofill/core/browser/autofill_manager.h"
 #include "components/autofill/core/browser/autofill_test_utils.h"
 #include "components/autofill/core/browser/test_autofill_client.h"
 #include "components/autofill/core/browser/test_autofill_driver.h"
 #include "components/autofill/core/browser/webdata/autofill_webdata_service.h"
 #include "components/autofill/core/common/form_data.h"
-#include "components/prefs/pref_service.h"
 #include "components/webdata_services/web_data_service_test_util.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/geometry/rect.h"
 
 using base::ASCIIToUTF16;
 using testing::_;
 
 namespace autofill {
 
@@ skipping 231 matching lines @@
               OnSuggestionsReturned(0,
                                     testing::Truly(IsEmptySuggestionVector)));
   autocomplete_history_manager.OnGetAutocompleteSuggestions(
       0,
       field.name,
       field.value,
       field.form_control_type);
 }
 
 }  // namespace autofill