In the extension docs builder, allow DOM nodes to be specified as "volatile"

chrome/common/extensions/docs/extensions/samples.html

Index: chrome/common/extensions/docs/extensions/samples.html
diff --git a/chrome/common/extensions/docs/extensions/samples.html b/chrome/common/extensions/docs/extensions/samples.html
index ca45aa6fd335ede5021b73dc6026590cb94333f0..9400a10cdf11156a65a9343adc72615cb0bca2c1 100644
--- a/chrome/common/extensions/docs/extensions/samples.html
+++ b/chrome/common/extensions/docs/extensions/samples.html
@@ -276,6 +276,7 @@
   <div id="searchbox" class="controlbox">
     <strong>Filter by keyword:</strong>
     <input autofocus="" type="search" id="searchinput" placeholder="Type to search" onkeyup="filterSamples();">
+    <a id="clearlink" href="javascript:void(0);" onclick="clearFilter();" style="display: none;">clear</a>
   </div>
   <div id="filterbox" class="controlbox">
     <strong>Filter by API:</strong>
@@ -4025,6 +4026,9 @@
     <!-- Only show the Install CRX link if a CRX file is provided -->
   </div>
 </div>
+<div id="noresults" style="display:none">
+  Sorry, no results were found.
+</div>
 </div>
         <!-- API PAGE -->
          <!-- /apiPage -->