Introduce //components/user_prefs, use to eliminate c/b/prefs dependency in Autofill.

chrome/browser/geolocation/chrome_geolocation_permission_context_factory.cc

 // Copyright (c) 2012 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/geolocation/chrome_geolocation_permission_context_factory.h"
 
-#include "chrome/browser/prefs/pref_registry_syncable.h"
 #include "chrome/browser/profiles/profile_dependency_manager.h"
 #include "chrome/common/pref_names.h"
+#include "components/user_prefs/pref_registry_syncable.h"
 #if defined(OS_ANDROID)
 #include "chrome/browser/geolocation/chrome_geolocation_permission_context_android.h"
 #else
 #include "chrome/browser/geolocation/chrome_geolocation_permission_context.h"
 #endif
 
 namespace {
 
 class Service : public ProfileKeyedService {
  public:
@@ skipping 57 matching lines @@
   registry->RegisterBooleanPref(prefs::kGeolocationEnabled,
                                 true,
                                 PrefRegistrySyncable::UNSYNCABLE_PREF);
 #endif
 }
 
 bool ChromeGeolocationPermissionContextFactory::
 ServiceRedirectedInIncognito() const {
   return true;
 }