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

chrome/browser/profiles/profile_keyed_base_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/profiles/profile_keyed_base_factory.h"
 
 #include "base/prefs/pref_service.h"
-#include "chrome/browser/prefs/pref_registry_syncable.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_dependency_manager.h"
+#include "components/user_prefs/pref_registry_syncable.h"
 
 ProfileKeyedBaseFactory::ProfileKeyedBaseFactory(
     const char* name, ProfileDependencyManager* manager)
     : dependency_manager_(manager)
 #ifndef NDEBUG
     , service_name_(name)
 #endif
 {
   dependency_manager_->AddComponent(this);
 }
@@ skipping 91 matching lines @@
 
 bool ProfileKeyedBaseFactory::ArePreferencesSetOn(Profile* profile) const {
   return registered_preferences_.find(profile) !=
       registered_preferences_.end();
 }
 
 void ProfileKeyedBaseFactory::MarkPreferencesSetOn(Profile* profile) {
   DCHECK(!ArePreferencesSetOn(profile));
   registered_preferences_.insert(profile);
 }