Update components for new prefs location.

components/signin/core/browser/signin_investigator_unittest.cc

 // Copyright 2015 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 <string>
 
-#include "base/prefs/pref_registry_simple.h"
-#include "base/prefs/testing_pref_service.h"
 #include "base/test/histogram_tester.h"
+#include "components/prefs/pref_registry_simple.h"
+#include "components/prefs/testing_pref_service.h"
 #include "components/signin/core/browser/signin_investigator.h"
 #include "components/signin/core/browser/signin_metrics.h"
 #include "components/signin/core/common/signin_pref_names.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using signin_metrics::AccountEquality;
 
 namespace {
 const char kSameEmail[] = "user1@domain.com";
 const char kDifferentEmail[] = "user2@domain.com";
@@ skipping 79 matching lines @@
 }
 
 TEST_F(SigninInvestigatorTest, InvestigateUpgrade) {
   AssertInvestigatedScenario("", "", InvestigatedScenario::UPGRADE_LOW_RISK);
 }
 
 TEST_F(SigninInvestigatorTest, InvestigateDifferentAccount) {
   AssertInvestigatedScenario(kDifferentEmail, kDifferentId,
                              InvestigatedScenario::DIFFERENT_ACCOUNT);
 }