components: Extract pref_registry component out of user_prefs.

apps/shell/browser/shell_extensions_browser_client.cc

 // Copyright 2013 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 "apps/shell/browser/shell_extensions_browser_client.h"
 
 #include "apps/shell/browser/shell_app_sorting.h"
 #include "apps/shell/browser/shell_extension_system_factory.h"
 #include "apps/shell/browser/shell_extension_web_contents_observer.h"
 #include "apps/shell/browser/shell_runtime_api_delegate.h"
 #include "apps/shell/common/api/generated_api.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/pref_service_factory.h"
 #include "base/prefs/testing_pref_store.h"
-#include "components/user_prefs/pref_registry_syncable.h"
+#include "components/pref_registry/pref_registry_syncable.h"
 #include "components/user_prefs/user_prefs.h"
 #include "extensions/browser/api/extensions_api_client.h"
 #include "extensions/browser/app_sorting.h"
 #include "extensions/browser/extension_function_registry.h"
 #include "extensions/browser/extension_host_delegate.h"
 #include "extensions/browser/extension_prefs.h"
 #include "extensions/common/api/generated_api.h"
 
 using content::BrowserContext;
 
@@ skipping 205 matching lines @@
   apps::shell_api::GeneratedFunctionRegistry::RegisterAll(registry);
 }
 
 scoped_ptr<RuntimeAPIDelegate>
 ShellExtensionsBrowserClient::CreateRuntimeAPIDelegate(
     content::BrowserContext* context) const {
   return scoped_ptr<RuntimeAPIDelegate>(new apps::ShellRuntimeAPIDelegate());
 }
 
 }  // namespace extensions