Add an automatic settings reset banner.

chrome/browser/ui/webui/options/automatic_settings_reset_handler.h

+// 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.
+
+#ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS_AUTOMATIC_SETTINGS_RESET_HANDLER_H_
+#define CHROME_BROWSER_UI_WEBUI_OPTIONS_AUTOMATIC_SETTINGS_RESET_HANDLER_H_
+
+#include "base/memory/weak_ptr.h"
+#include "chrome/browser/ui/webui/options/options_ui.h"
+
+namespace options {
+
+// Handler for the banner that displays a settings reset event at the top of the
+// settings page.
+class AutomaticSettingsResetHandler : public OptionsPageUIHandler {
+ public:
+  AutomaticSettingsResetHandler();
+  virtual ~AutomaticSettingsResetHandler();
+
+  // OptionsPageUIHandler implementation.
+  virtual void GetLocalizedValues(
+      base::DictionaryValue* localized_strings) OVERRIDE;
+  virtual void InitializePage() OVERRIDE;
+
+  // WebUIMessageHandler implementation.
+  virtual void RegisterMessages() OVERRIDE;
+
+ private:
+  // Called when the user dismisses the automatic settings reset banner.
+  static void OnDismissedAutomaticSettingsResetBanner(

[Bernhard Bauer, 2014/02/07 08:14:53]

If it's static and private, can you move it to an anonymous namespace?

[robertshield, 2014/02/07 19:08:28]

Done.

+      const base::ListValue* value);
+
+  DISALLOW_COPY_AND_ASSIGN(AutomaticSettingsResetHandler);
+};
+
+}  // namespace options
+
+#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_AUTOMATIC_SETTINGS_RESET_HANDLER_H_