Lock screen for Chrome-Athena

athena/screen_lock/shell/shell_screen_lock_manager.cc

 // Copyright 2014 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 "athena/content/web_activity_helpers.h"
+#include "athena/screen_lock/screen_lock_manager_base.h"
+#include "base/macros.h"
 
 namespace athena {
 
-void AttachWebActivityHelpers(content::WebContents* contents) {
+ScreenLockManager* ScreenLockManager::Create() {
+  return NULL;
 }
 
-}  // namespace athena
+}  // namespace athena