Hide/Disable several (meaningless) options in Settings uber-page for Guest.

chrome/browser/resources/options2/content_settings.html

 <div id="content-settings-page" class="page" hidden>
   <h1 i18n-content="contentSettingsPage"></h1>
   <div class="content-area">
     <!-- Cookie filter tab contents -->
     <section>
       <h3 i18n-content="cookies_tab_label"></h3>
       <div>
         <div class="radio">
           <label>
             <input type="radio" name="cookies" value="allow" id="cookies-allow">
@@ skipping 11 matching lines @@
             <input type="radio" name="cookies" value="block">
             <span i18n-content="cookies_block"></span>
           </label>
         </div>
         <div class="checkbox">
           <label>
             <input pref="profile.block_third_party_cookies" type="checkbox">
             <span i18n-content="cookies_block_3rd_party"></span>
           </label>
         </div>
-        <div class="checkbox">
+        <div id="clear-cookies-on-exit-group" class="checkbox">
           <label>
             <input id="clear-cookies-on-exit"
                 pref="profile.clear_site_data_on_exit" type="checkbox">
             <span i18n-content="cookies_lso_clear_when_close"
                 class="clear-plugin-lso-data-enabled"></span>
             <span i18n-content="cookies_clear_when_close"
                 class="clear-plugin-lso-data-disabled"></span>
           </label>
         </div>
         <button class="exceptions-list-button" contentType="cookies"
@@ skipping 213 matching lines @@
         </label>
       </div>
     </section>
   </div>
   <div class="action-area">
     <div class="button-strip">
       <button id="content-settings-overlay-confirm" i18n-content="ok"></button>
     </div>
   </div>
 </div>