chrome.tabs.onUpdated doesn't called with 'loading' twice.

chrome/test/data/extensions/api_test/tabs/on_updated/locationReplace/a.js

Index: chrome/test/data/extensions/api_test/tabs/on_updated/locationReplace/a.js
diff --git a/tools/clang/plugins/tests/warn_only.cpp b/chrome/test/data/extensions/api_test/tabs/on_updated/locationReplace/a.js
similarity index 52%
copy from tools/clang/plugins/tests/warn_only.cpp
copy to chrome/test/data/extensions/api_test/tabs/on_updated/locationReplace/a.js
index 1fbefcb105b911baaafd4b1753353f3e35d3e319..bf0d97d5b7d7d90371d47a99a27bc09220417b66 100644
--- a/tools/clang/plugins/tests/warn_only.cpp
+++ b/chrome/test/data/extensions/api_test/tabs/on_updated/locationReplace/a.js
@@ -2,4 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "warn_only.h"
+window.onload = function() {
+  // 'load' and 'complete' are fired with the URL update.
+  setTimeout(function() {
+    location.replace("#foo");
+  }, 0);
+}