MD Site Settings: Add five new top level categories

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

 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/iron-flex-layout.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-button/paper-button.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button.html">
 <link rel="import" href="/icons.html">
 <link rel="import" href="/settings_shared_css.html">
 <link rel="import" href="/site_settings/constants.html">
 <link rel="import" href="/site_settings/site_details_permission.html">
 <link rel="import" href="/site_settings/site_settings_behavior.html">
 <link rel="import" href="/site_settings/website_usage_private_api.html">
@@ skipping 55 matching lines @@
       </site-details-permission>
       <site-details-permission site="[[site]]" id="mic"
           category="{{ContentSettingsTypes.MIC}}">
       </site-details-permission>
       <site-details-permission site="[[site]]" id="notification"
           category="{{ContentSettingsTypes.NOTIFICATIONS}}">
       </site-details-permission>
       <site-details-permission site="[[site]]" id="javascript"
           category="{{ContentSettingsTypes.JAVASCRIPT}}">
       </site-details-permission>
+      <site-details-permission site="[[site]]" id="plugins"
+          category="{{ContentSettingsTypes.PLUGINS}}">
+      </site-details-permission>
       <site-details-permission site="[[site]]" id="popups"
           category="{{ContentSettingsTypes.POPUPS}}">
       </site-details-permission>
+      <site-details-permission site="[[site]]" id="backgroundSync"
+          category="{{ContentSettingsTypes.BACKGROUND_SYNC}}">
+      </site-details-permission>
+      <site-details-permission site="[[site]]" id="keygen"
+          category="{{ContentSettingsTypes.KEYGEN}}">
+      </site-details-permission>
+      <site-details-permission site="[[site]]" id="automaticDownloads"
+          category="{{ContentSettingsTypes.AUTOMATIC_DOWNLOADS}}">
+      </site-details-permission>
+      <site-details-permission site="[[site]]" id="unsandboxedPlugins"
+          category="{{ContentSettingsTypes.UNSANDBOXED_PLUGINS}}">
+      </site-details-permission>
       <site-details-permission site="[[site]]" id="fullscreen"
           category="{{ContentSettingsTypes.FULLSCREEN}}">
       </site-details-permission>
 
       <paper-button on-tap="onClearAndReset_" raised class="reset-button">
         $i18n{siteSettingsClearAndReset}
       </paper-button>
     </div>
     <website-usage-private-api id="usageApi"
         website-data-usage="{{storedData_}}"
         website-storage-type="{{storageType_}}">
     </website-usage-private-api>
   </template>
   <script src="site_details.js"></script>
 </dom-module>