Added storage to manifest permissions table.

chrome/common/extensions/docs/static/manifest.html

 <div id="pageData-name" class="pageData">Formats: Manifest Files</div>
 <div id="pageData-showTOC" class="pageData">true</div>
 
 <p>
 Every extension, installable web app, and theme has a
 <a href="http://www.json.org">JSON</a>-formatted manifest file,
 named <code>manifest.json</code>,
 that provides important information.
 </p>
 
@@ skipping 580 matching lines @@
   <td> "privacy" </td>
   <td> Required if the extension uses the
        <a href="privacy.html">chrome.privacy</a> module. </td>
 </tr>
 <tr>
   <td> "proxy" </td>
   <td> Required if the extension uses the
        <a href="proxy.html">chrome.proxy</a> module. </td>
 </tr>
 <tr>
+  <td> "storage" </td>
+  <td> Required if the extension uses the
+       <a href="storage.html">chrome.storage</a> module. </td>
+</tr>
+<tr>
   <td> "tabs" </td>
   <td> Required if the extension uses the
        <a href="tabs.html">chrome.tabs</a> or
        <a href="windows.html">chrome.windows</a> module. </td>
 </tr>
 <tr>
   <td> "tts" </td>
   <td> Required if the extension uses the
        <a href="tts.html">chrome.tts</a> module. </td>
 </tr>
@@ skipping 257 matching lines @@
 windows or frames. Resources used by sandboxed pages (e.g. stylesheets or
 JavaScript source files) do not need to appear in the
 <code>sandboxed_page</code> list, they will use the sandbox of the page
 that embeds them.
 </p>
 
 <p>
 Sandboxed page may only be specified when using
 <a href="#manifest_version"><code>manifest_version</code></a> 2 or above.
 </p>