Only allow extension pages to be displayed in the sidebar to be consistent...

chrome/common/extensions/docs/experimental.sidebar.html

Index: chrome/common/extensions/docs/experimental.sidebar.html
===================================================================
--- chrome/common/extensions/docs/experimental.sidebar.html	(revision 72219)
+++ chrome/common/extensions/docs/experimental.sidebar.html	(working copy)
@@ -1180,7 +1180,7 @@
 
               <div class="description">
                 <p class="todo" style="display: none; ">Undocumented.</p>
-                <p>Navigates sidebar for the specified tab to the specified URL.</p>
+                <p>Loads the the specified html file into the sidebar for the specified tab.</p>
 
                 <!-- PARAMETERS -->
                 <h4>Parameters</h4>
@@ -1293,7 +1293,7 @@
               </div><div>
                 <div>
           <dt>
-            <var>url</var>
+            <var>path</var>
               <em>
 
                 <!-- TYPE -->
@@ -1321,10 +1321,8 @@
           <dd class="todo">
             Undocumented.
           </dd>
+          <dd>Relative path to the html file in the extension to show in the sidebar.</dd>
           <dd style="display: none; ">
-            Description of this parameter from the json schema.
-          </dd>
-          <dd style="display: none; ">
             This parameter was added in version
             <b><span></span></b>.
             You must omit this parameter in earlier versions,