Eliminate BrowserThread dependency from WebDataAutofillServiceTest.

components/autofill/core/browser/autofill_test_utils.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 "components/autofill/core/browser/autofill_test_utils.h"
 
 #include "base/guid.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/pref_service_factory.h"
 #include "base/prefs/testing_pref_store.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/autofill/core/browser/autofill_manager.h"
 #include "components/autofill/core/browser/autofill_profile.h"
 #include "components/autofill/core/browser/credit_card.h"
 #include "components/autofill/core/browser/field_types.h"
 #include "components/autofill/core/common/autofill_pref_names.h"
 #include "components/autofill/core/common/form_data.h"
 #include "components/autofill/core/common/form_field_data.h"
 #include "components/encryptor/os_crypt.h"
 #include "components/user_prefs/pref_registry_syncable.h"
-#include "components/user_prefs/user_prefs.h"
 
 using base::ASCIIToUTF16;
 
 namespace autofill {
 namespace test {
 
 namespace {
 
 const char kSettingsOrigin[] = "Chrome settings";
 
@@ skipping 178 matching lines @@
 #endif
 
   // Disable auxiliary profiles for unit testing.  These reach out to system
   // services on the Mac.
   if (prefs)
     prefs->SetBoolean(prefs::kAutofillAuxiliaryProfilesEnabled, false);
 }
 
 }  // namespace test
 }  // namespace autofill