Packaged apps manifest requires 'fullscreen' permission for HTML5 api.

chrome/common/extensions/docs/templates/articles/declare_permissions.html

 <h1>Declare Permissions</h1>
 
 <p>
 To use most chrome.* APIs,
 your extension or app must declare its intent in the
 "permissions" field of the
 <a href="manifest.html">manifest</a>.
 Each permission can be either one of a list of known strings
 (such as "geolocation")
 or a <a href="match_patterns.html">match pattern</a>
@@ skipping 174 matching lines @@
        <a href="fileBrowserHandler.html">fileBrowserhandler</a> module. </td>
 </tr>
 {{/is_apps}}
 {{?is_apps}}
 <tr>
   <td id="fileSystem"> "fileSystem": ["write"] </td>
   <td> Required if the app uses the
        <a href="fileSystem.html">fileSystem API</a> to write files.</td>
 </tr>
 {{/is_apps}}
+{{?is_apps}}
+<tr>
+  <td id="fullscreen"> "fullscreen" </td>
+  <td> Allows the app to use the proposed HTML5
+       <a href="https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html">fullscreen API</a>
+       without prompting the user for permission.</td>
+</tr>
+{{/is_apps}}
 <tr>
   <td id="geolocation"> "geolocation" </td>
   <td> Allows the extension or app to use the proposed HTML5
        <a href="http://dev.w3.org/geo/api/spec-source.html">geolocation API</a>
        without prompting the user for permission. </td>
 </tr>
 {{^is_apps}}
 <tr>
   <td> "history" </td>
   <td> Required if the extension uses the
@@ skipping 102 matching lines @@
 </tr>
 <tr>
   <td> "webRequestBlocking" </td>
   <td> Required if the extension uses the
        <a href="webRequest.html">chrome.webRequest</a> module in a blocking
        fashion. </td>
 </tr>
 {{/is_apps}}
 </tr>
 </table>