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

chrome/browser/ui/webui/options/chromeos/options_stylus_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_
+#ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_OPTIONS_STYLUS_HANDLER_H_
+#define CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_OPTIONS_STYLUS_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 {
+// Stylus-specific options C++ code.
+class OptionsStylusHandler : public ::options::OptionsPageUIHandler {
  public:
-  OptionsNoteHandler();
-  ~OptionsNoteHandler() override;
+  OptionsStylusHandler();
+  ~OptionsStylusHandler() override;
 
   // OptionsPageUIHandler implementation.
   void GetLocalizedValues(base::DictionaryValue* localized_strings) override;
   void InitializePage() override;
   void RegisterMessages() override;
 
  private:
-  DISALLOW_COPY_AND_ASSIGN(OptionsNoteHandler);
+  DISALLOW_COPY_AND_ASSIGN(OptionsStylusHandler);
 };
 
 }  // namespace options
 }  // namespace chromeos
 
-#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_OPTIONS_NOTE_HANDLER_H_
+#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_OPTIONS_STYLUS_HANDLER_H_