Migrate child element manipulation, innerHTML, classList, attributes,

tracing/tracing/ui/base/name_bar_chart.html

Index: tracing/tracing/ui/base/name_bar_chart.html
diff --git a/tracing/tracing/ui/base/name_bar_chart.html b/tracing/tracing/ui/base/name_bar_chart.html
index dcfdbaa17c63e58d4e0a74b5a830492a312759d6..8d594fb5c1202a4209f5cc8243e715a77ee08d14 100644
--- a/tracing/tracing/ui/base/name_bar_chart.html
+++ b/tracing/tracing/ui/base/name_bar_chart.html
@@ -6,8 +6,8 @@ found in the LICENSE file.
 -->
 
 <link rel="import" href="/tracing/base/range.html">
-<link rel="import" href="/tracing/ui/base/d3.html">
 <link rel="import" href="/tracing/ui/base/bar_chart.html">
+<link rel="import" href="/tracing/ui/base/d3.html">
 
 <script>
 'use strict';
@@ -23,8 +23,8 @@ tr.exportTo('tr.ui.b', function() {
 
     decorate: function() {
       BarChart.prototype.decorate.call(this);
-      this.classList.remove('bar-chart');
-      this.classList.add('name-bar-chart');
+      Polymer.dom(this).classList.remove('bar-chart');
+      Polymer.dom(this).classList.add('name-bar-chart');
       this.bottomMargin_ = 40;
     },