Allow about:tracing Counters to be selected

chrome/browser/resources/tracing/profiling_view_test.html

Index: chrome/browser/resources/tracing/profiling_view_test.html
diff --git a/chrome/browser/resources/tracing/profiling_view_test.html b/chrome/browser/resources/tracing/profiling_view_test.html
index 18121be2fd8422eaa136e2df26d4c81fc2904f84..3de0e1a9aa3585c8960de92a2af2311bab7f398a 100644
--- a/chrome/browser/resources/tracing/profiling_view_test.html
+++ b/chrome/browser/resources/tracing/profiling_view_test.html
@@ -10,6 +10,7 @@ found in the LICENSE file.
 <link rel="stylesheet" href="profiling_view.css">
 <link rel="stylesheet" href="timeline_view.css">
 <link rel="stylesheet" href="overlay.css">
+<link rel="stylesheet" href="timeline_analysis.css">
 <link rel="stylesheet" href="timeline.css">
 <link rel="stylesheet" href="../shared/css/tabs.css">
 <script src="http://closure-library.googlecode.com/svn/trunk/closure/goog/base.js"></script>
@@ -20,6 +21,7 @@ found in the LICENSE file.
 <script src="overlay.js"></script>
 <script src="measuring_stick.js"></script>
 <script src="profiling_view.js"></script>
+<script src="timeline_analysis.js"></script>
 <script src="timeline_view.js"></script>
 <script src="timeline_model.js"></script>
 <script src="linux_perf_importer.js"></script>