Update components for new prefs location.

components/proximity_auth/cryptauth/cryptauth_gcm_manager.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 "components/proximity_auth/cryptauth/cryptauth_gcm_manager.h"
 
-#include "base/prefs/pref_registry_simple.h"
+#include "components/prefs/pref_registry_simple.h"
 #include "components/proximity_auth/cryptauth/pref_names.h"
 
 namespace proximity_auth {
 
 CryptAuthGCMManager::Observer::~Observer() {
 }
 
 void CryptAuthGCMManager::Observer::OnGCMRegistrationResult(bool success) {
 }
 
 void CryptAuthGCMManager::Observer::OnReenrollMessage() {
 }
 
 void CryptAuthGCMManager::Observer::OnResyncMessage() {
 }
 
 // static.
 void CryptAuthGCMManager::RegisterPrefs(PrefRegistrySimple* registry) {
   registry->RegisterStringPref(prefs::kCryptAuthGCMRegistrationId,
                                std::string());
 }
 
 }  // namespace proximity_auth