Index: tracing/tracing/ui/base/line_chart.html |
diff --git a/tracing/tracing/ui/base/line_chart.html b/tracing/tracing/ui/base/line_chart.html |
index ba43169524233dfc9874eae9ec9cfb99eda9a80f..4d4beb34f9bc2fbf367e6d2e51972eb3ac29cf50 100644 |
--- a/tracing/tracing/ui/base/line_chart.html |
+++ b/tracing/tracing/ui/base/line_chart.html |
@@ -25,7 +25,7 @@ tr.exportTo('tr.ui.b', function() { |
decorate: function() { |
ChartBase2DBrushX.prototype.decorate.call(this); |
- this.classList.add('line-chart'); |
+ Polymer.dom(this).classList.add('line-chart'); |
}, |
isDatumFieldSeries_: function(fieldName) { |