Find feature for tracing, at long last.

chrome/browser/resources/tracing/timeline_track_test.html

Index: chrome/browser/resources/tracing/timeline_track_test.html
diff --git a/chrome/browser/resources/tracing/timeline_track_test.html b/chrome/browser/resources/tracing/timeline_track_test.html
index 6a8fb9986c12cc52003603bea379db7d85f1ad23..855b0349e2d2a03571f78297d27e840845ded77e 100644
--- a/chrome/browser/resources/tracing/timeline_track_test.html
+++ b/chrome/browser/resources/tracing/timeline_track_test.html
@@ -40,6 +40,8 @@ found in the LICENSE file.
 <script>
 </script>
 <script>
+  'use strict';
+
   var TimelineAsyncSlice = tracing.TimelineAsyncSlice;
   var TimelineAsyncSliceGroup = tracing.TimelineAsyncSliceGroup;
   var TimelineCounter = tracing.TimelineCounter;
@@ -89,21 +91,19 @@ found in the LICENSE file.
        track.clientWidth / (1.1 * track.slices[track.slices.length - 1].end));
   }
 
-  function testBasicSlicesWithAsyncFlag() {
-    var testEl = getTestDiv('testBasicSlicesWithAsyncFlag');
+  function testFindAllObjectsMatchingInSliceTrack() {
     var track = TimelineSliceTrack();
-    testEl.appendChild(track);
-    track.asyncStyle = true;
-    track.heading = 'testBasicSlices+AsyncFlag';
     track.slices = [
       new TimelineSlice('a', 0, 1, {}, 1),
       new TimelineSlice('b', 1, 2.1, {}, 4.8),
       new TimelineSlice('b', 1, 7, {}, 0.5),
       new TimelineSlice('c', 2, 7.6, {}, 0.4)
     ];
-    track.viewport = new TimelineViewport(testEl);
-    track.viewport.setPanAndScale(0,
-       track.clientWidth / (1.1 * track.slices[track.slices.length - 1].end));
+    var hits = track.findAllObjectsMatchingFilter(
+        new tracing.TimelineFilter("b"));
+    assertEquals(2, hits.length);
+    assertEquals(track.slices[1], hits[0].slice);
+    assertEquals(track.slices[2], hits[1].slice);
   }
 
   function testShrinkingSliceSizes() {
@@ -192,7 +192,6 @@ found in the LICENSE file.
 
     var ctr = new TimelineCounter(undefined,
                                   'testBasicCounter', 'testBasicCounter');
-    ctr.numSeries = 1;
     ctr.seriesNames = ['value1', 'value2'];
     ctr.seriesColors = [tracing.getStringColorId('testBasicCounter.value1'),
                         tracing.getStringColorId('testBasicCounter.value2')];
@@ -220,8 +219,8 @@ found in the LICENSE file.
   function testElideVisualInspection() {
     var optDicts = [{ trackName: 'elideOff', elide: false },
                     { trackName: 'elideOn', elide: true }];
-    for (dictIndex in optDicts) {
-      dict = optDicts[dictIndex];
+    for (var dictIndex in optDicts) {
+      var dict = optDicts[dictIndex];
       var testEl = getTestDiv(dict.trackName);
       var track = TimelineSliceTrack();
       if (dict.elide) {