Index: tracing/tracing/ui/tracks/container_to_track_map.html |
diff --git a/tracing/tracing/ui/tracks/container_to_track_map.html b/tracing/tracing/ui/tracks/container_to_track_map.html |
index c52a32a86125f9df36d213aeb5a2b76711423ef3..452420c52982f4b9abbabb3db97a4d0b32bdff80 100644 |
--- a/tracing/tracing/ui/tracks/container_to_track_map.html |
+++ b/tracing/tracing/ui/tracks/container_to_track_map.html |
@@ -23,8 +23,9 @@ tr.exportTo('tr.ui.tracks', function() { |
ContainerToTrackMap.prototype = { |
addContainer: function(container, track) { |
- if (!track) |
+ if (!track) { |
throw new Error('Must provide a track.'); |
+ } |
this.stableIdToTrackMap_[container.stableId] = track; |
}, |