Find feature for tracing, at long last.

chrome/browser/resources/tracing/timeline_model_test.html

Index: chrome/browser/resources/tracing/timeline_model_test.html
diff --git a/chrome/browser/resources/tracing/timeline_model_test.html b/chrome/browser/resources/tracing/timeline_model_test.html
index 7b6252025ac99f2cd87c422b15f906d2c8b8ff14..eed12906ff4412357acdfac27c8dcf5662e7dff2 100644
--- a/chrome/browser/resources/tracing/timeline_model_test.html
+++ b/chrome/browser/resources/tracing/timeline_model_test.html
@@ -10,6 +10,7 @@ found in the LICENSE file.
 <script src="http://closure-library.googlecode.com/svn/trunk/closure/goog/base.js"></script>
 <script src="../shared/js/cr.js"></script>
 <script src="../shared/js/cr/event_target.js"></script>
+<script src="test_utils.js"></script>
 <script src="timeline_model.js"></script>
 <script>
   goog.require('goog.testing.jsunit');
@@ -25,22 +26,10 @@ var TimelineThreadSlice = tracing.TimelineThreadSlice;
 var TimelineProcess = tracing.TimelineProcess;
 var TimelineThread = tracing.TimelineThread;
 var TimelineModel = tracing.TimelineModel;
+var TimelineFilter = tracing.TimelineFilter;
 var TimelineAsyncSlice = tracing.TimelineAsyncSlice;
 var TimelineAsyncSliceGroup = tracing.TimelineAsyncSliceGroup;
-
-// Helper function to create a slice.
-function newAsyncSlice(start, duration, startThread, endThread) {
-  var s = new TimelineAsyncSlice('a', 0, start);
-  s.duration = duration;
-  s.startThread = startThread;
-  s.endThread = endThread;
-  var subSlice = new TimelineAsyncSlice('a', 0, start);
-  subSlice.duration = duration;
-  subSlice.startThread = startThread;
-  subSlice.endThread = endThread;
-  s.subSlices = [subSlice];
-  return s;
-}
+var newAsyncSlice = test_utils.newAsyncSlice;
 
 function testThreadBounds_Empty() {
   var t = new TimelineThread(new TimelineProcess(7), 1);
@@ -248,6 +237,20 @@ function testModelCanImportEmpty() {
   m = new TimelineModel([]);
   m = new TimelineModel('');
 }
+
+function testTimelineFilter() {
+  var s0 = new TimelineSlice('a', 0, 1, {}, 3);
+  assertFalse(new TimelineFilter('').matchSlice(s0));
+
+  assertTrue(new TimelineFilter('a').matchSlice(s0));
+  assertFalse(new TimelineFilter('x').matchSlice(s0));
+
+  var s1 = new TimelineSlice('ba', 0, 1, {}, 3);
+  assertTrue(new TimelineFilter('a').matchSlice(s1));
+  assertTrue(new TimelineFilter('ba').matchSlice(s1));
+  assertFalse(new TimelineFilter('x').matchSlice(s1));
+}
+
 </script>
 </body>
 </html>