Extensions Docs Server: Intro data source

chrome/common/extensions/docs/server2/templates/intros/permissions.html

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 <p id="classSummary">
   Use the <code>chrome.permissions</code> module to implement
   optional permissions. You can request optional permissions during your
   extension's regular application flow rather than at install time, so users
   understand why the permissions are needed and use only those that are
   necessary.
 </p>
 <p>
   For general information about permissions and details about each permission,
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 }, function(removed) {
   if (removed) {
     // The permissions have been removed.
   } else {
     // The permissions have not been removed (e.g., you tried to remove
     // required permissions).
   }
 });
 </pre>
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