Adding Application Data dialog for isolated apps

chrome/browser/resources/options2/content_settings.html

 <div id="content-settings-page" class="page" hidden>
   <div class="close-button"></div>
   <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>
@@ skipping 28 matching lines @@
             <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"
             i18n-content="manage_exceptions"></button>
         <button id="show-cookies-button"
             i18n-content="cookies_show_cookies"></button>
+        <button id="show-app-cookies-button"
+            i18n-content="cookies_show_app_cookies"></button>
      </div>
     </section>
     <!-- Image filter -->
     <section>
       <h3 i18n-content="images_tab_label"></h3>
       <div>
         <div class="radio">
           <label>
             <input type="radio" name="images" value="allow">
             <span i18n-content="images_allow"></span>
@@ skipping 264 matching lines @@
             i18n-content="manageGalleriesButton"></button>
       </div>
     </section>
   </div>
   <div class="action-area">
     <div class="button-strip">
       <button id="content-settings-overlay-confirm" i18n-content="ok"></button>
     </div>
   </div>
 </div>