Enable PIN configuration settings.

chrome/browser/ui/webui/settings/chromeos/quick_unlock_handler.h

Index: chrome/browser/ui/webui/settings/chromeos/quick_unlock_handler.h
diff --git a/chrome/browser/ui/webui/settings/chromeos/quick_unlock_handler.h b/chrome/browser/ui/webui/settings/chromeos/quick_unlock_handler.h
new file mode 100644
index 0000000000000000000000000000000000000000..981cf90dccda84bcb45a422043a2ef5030f24f62
--- /dev/null
+++ b/chrome/browser/ui/webui/settings/chromeos/quick_unlock_handler.h
@@ -0,0 +1,17 @@
+// Copyright 2016 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.
+
+#ifndef CHROME_BROWSER_UI_WEBUI_SETTINGS_CHROMEOS_QUICK_UNLOCK_HANDLER_H_
+#define CHROME_BROWSER_UI_WEBUI_SETTINGS_CHROMEOS_QUICK_UNLOCK_HANDLER_H_
+
+namespace content {
+class WebUIDataSource;
+}
+
+namespace settings {
+// Initialize quick-unlock specific settings for |html_source|.
+void InitializeQuickUnlockForSettings(content::WebUIDataSource* html_source);
+}
+
+#endif  // CHROME_BROWSER_UI_WEBUI_SETTINGS_CHROMEOS_QUICK_UNLOCK_HANDLER_H_