Site Settings Desktop: Implement the 'Clear on exit' menu for Cookies.

chrome/browser/resources/settings/site_settings/site_list.html

 <link rel="import" href="chrome://resources/cr_elements/icons.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/html/web_ui_listener_behavior.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-icon/iron-icon.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-menu/paper-menu.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-menu/paper-submenu.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-menu-button/paper-menu-button.html">
 <link rel="import" href="/i18n_setup.html">
 <link rel="import" href="/icons.html">
@@ skipping 27 matching lines @@
                 on-tap="onOriginTap_"></div>
             <div class="middle" on-tap="onOriginTap_">
               <div>[[item.originForDisplay]]</div>
               <div class="secondary">[[item.embeddingOriginForDisplay]]</div>
             </div>
             <paper-menu-button hidden$="[[allSites]]">
               <paper-icon-button icon="cr:more-vert"
                   class="dropdown-trigger">
               </paper-icon-button>
               <paper-menu id="actionMenu" class="dropdown-content"
-                  on-iron-activate="onActionMenuIronActivate_">
-                <paper-item value="[[actions_.ALLOW]]"
-                    hidden="[[!showAllowAction_]]">
+                  on-iron-activate="onActionMenuIronActivate_"
+                  attr-for-selected="menu-value">
+                <paper-item
+                    hidden="[[!showAllowAction_]]"
+                    menu-value$="[[PermissionValues.ALLOW]]">
                   [[i18n_.allowAction]]
                 </paper-item>
-                <paper-item value="[[actions_.BLOCK]]"
-                    hidden="[[!showBlockAction_]]">
+                <paper-item
+                    hidden="[[!showBlockAction_]]"
+                    menu-value$="[[PermissionValues.BLOCK]]">
                   [[i18n_.blockAction]]
                 </paper-item>
-                <paper-item value="[[actions_.RESET]]">
+                <paper-item
+                    hidden="[[!showSessionOnlyAction_]]"
+                    menu-value$="[[PermissionValues.SESSION_ONLY]]">
+                  [[i18n_.sessionOnlyAction]]
+                </paper-item>
+                <paper-item
+                    menu-value$="[[PermissionValues.DEFAULT]]">
                   [[i18n_.resetAction]]
                 </paper-item>
               </paper-menu>
             </paper-menu-button>
           </div>
         </template>
       </div>
     </paper-submenu>
   </template>
   <script src="site_list.js"></script>
 </dom-module>