Add hotlinks to individual samples in extension samples directory.

chrome/common/extensions/docs/js/sample_search.js

 /**
  * Copyright (c) 2010 The Chromium Authors. All rights reserved.  Use of this
  * source code is governed by a BSD-style license that can be found in the
  * LICENSE file.
  */
 
 function testSearchSupport() {
   var i = document.createElement("input");
   i.setAttribute("type", "search");
   return i.type !== "text";
 };
 
 function filterSamples() {
   var clearlink = document.getElementById('clearlink');
   var searchinput = document.getElementById('searchinput');
   var noresults = document.getElementById('noresults');
 
   var searchtext = searchinput.value.toUpperCase();
   if (!canclear && searchtext != "" ) {
     clearlink.style.display = "inline";
   } else {
     clearlink.style.display = "none";
   }
   if (searchtext == currentfilter) {
     return;
   } else {
     currentfilter = searchtext;
+    window.location.hash = searchinput.value;
   }
 
   noresults.style.display = 'none';
   var num_found = 0;
   for (var key in search_data) {
     if (search_data.hasOwnProperty(key)) {
       var sampleentry = document.getElementById(key);
       if (search_data[key].indexOf(searchtext) == -1) {
         sampleentry.style.display = "none";
       } else {
@@ skipping 32 matching lines @@
   searchinput.focus();
 };
 
 function initSearch() {
   var searchinput = document.getElementById('searchinput');
   if (canclear) {
     searchinput.addEventListener('click', filterSamples, false);
   }
 
   if (window.location.hash.length > 1) {
-    setFilter(window.location.hash.substring(1));
+    var hash = window.location.hash.substring(1);
+    var elem = document.getElementById(hash);
+    if (elem) {
+      elem.scrollIntoView();
+    } else {
+      setFilter(hash);
+    }
   }
 };
 
 var currentfilter = "";
 var canclear = testSearchSupport();
 window.addEventListener('load', initSearch, false);