Update strings for ash palette and rename options/settings files.

chrome/browser/ui/webui/options/chromeos/options_note_handler.h

-// Copyright (c) 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_OPTIONS_CHROMEOS_OPTIONS_NOTE_HANDLER_H_
-#define CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_OPTIONS_NOTE_HANDLER_H_
-
-#include "base/macros.h"
-#include "chrome/browser/ui/webui/options/options_ui.h"
-
-namespace chromeos {
-namespace options {
-
-// Note-specific options C++ code.
-class OptionsNoteHandler : public ::options::OptionsPageUIHandler {
- public:
-  OptionsNoteHandler();
-  ~OptionsNoteHandler() override;
-
-  // OptionsPageUIHandler implementation.
-  void GetLocalizedValues(base::DictionaryValue* localized_strings) override;
-  void InitializePage() override;
-  void RegisterMessages() override;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(OptionsNoteHandler);
-};
-
-}  // namespace options
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_OPTIONS_NOTE_HANDLER_H_