Update chrome for new prefs location.

chrome/browser/ui/app_list/google_now_extension.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 "chrome/browser/ui/app_list/google_now_extension.h"
 
-#include "base/prefs/pref_service.h"
 #include "chrome/browser/notifications/notifier_state_tracker.h"
 #include "chrome/browser/notifications/notifier_state_tracker_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/pref_names.h"
+#include "components/prefs/pref_service.h"
 #include "components/variations/variations_associated_data.h"
 #include "ui/message_center/notifier_settings.h"
 
 namespace {
 const char kGoogleNowExtensionFieldTrialName[] = "GoogleNowExtension";
 
 // Extension ID for previous Now notifications component.
 const char kNowNotifierId[] = "pafkbggdmjlpgkdkcbjmhmfcdpncadgh";
 };  // namespace
 
@@ skipping 18 matching lines @@
   if (!enabled_pref->IsDefaultValue())
     return;
 
   NotifierStateTracker* const notifier_state_tracker =
       NotifierStateTrackerFactory::GetForProfile(profile);
   bool notifier_enabled = notifier_state_tracker->IsNotifierEnabled(
       message_center::NotifierId(
           message_center::NotifierId::APPLICATION, kNowNotifierId));
   prefs->SetBoolean(prefs::kGoogleNowLauncherEnabled, notifier_enabled);
 }