Add a few permissions to the optional permission whitelist.

chrome/common/extensions/docs/permissions.html

Index: chrome/common/extensions/docs/permissions.html
diff --git a/chrome/common/extensions/docs/permissions.html b/chrome/common/extensions/docs/permissions.html
index 70b2d4bcaefc80f4feada11177a6d4acab6b504a..e68376d5c59b18f196b9ac2559f01b9a57332435 100644
--- a/chrome/common/extensions/docs/permissions.html
+++ b/chrome/common/extensions/docs/permissions.html
@@ -469,10 +469,12 @@
 You can specify any of the following as optional permissions:
 </p><ul>
   <li><i>host permissions</i></li>
+  <li>appNotifications</li>
   <li>background</li>
   <li>bookmarks</li>
   <li>clipboardRead</li>
   <li>clipboardWrite</li>
+  <li>contentSettings</li>
   <li>contextMenus</li>
   <li>cookies</li>
   <li>debugger</li>
@@ -480,12 +482,16 @@ You can specify any of the following as optional permissions:
   <li>idle</li>
   <li>management</li>
   <li>notifications</li>
+  <li>pageCapture</li>
   <li>tabs</li>
+  <li>webNavigation</li>
+  <li>webRequest</li>
+  <li>webRequestBlocking</li>
 </ul>
 <p></p>
 
 <p class="note">
-  <b>Version note:</b> This list is correct as of Chrome 16.
+  <b>Version note:</b> This list is correct as of Chrome 17.
   More optional permissions might be allowed in future releases.
 </p>