Update chrome for new prefs location.

chrome/browser/supervised_user/supervised_user_pref_store_unittest.cc

 // Copyright 2014 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 <set>
 #include <string>
 
 #include "base/memory/ref_counted.h"
-#include "base/prefs/testing_pref_store.h"
 #include "base/values.h"
 #include "chrome/browser/supervised_user/supervised_user_constants.h"
 #include "chrome/browser/supervised_user/supervised_user_pref_store.h"
 #include "chrome/browser/supervised_user/supervised_user_settings_service.h"
 #include "chrome/common/pref_names.h"
+#include "components/prefs/testing_pref_store.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::DictionaryValue;
 using base::Value;
 
 namespace {
 
 class SupervisedUserPrefStoreFixture : public PrefStore::Observer {
  public:
   explicit SupervisedUserPrefStoreFixture(
@@ skipping 146 matching lines @@
 
 TEST_F(SupervisedUserPrefStoreTest, CreatePrefStoreAfterInitialization) {
   pref_store_->SetInitializationCompleted();
   service_.SetActive(true);
 
   SupervisedUserPrefStoreFixture fixture(&service_);
   EXPECT_TRUE(fixture.initialization_completed());
   EXPECT_EQ(0u, fixture.changed_prefs()->size());
 }