| Index: tracing/tracing/ui/tracks/letter_dot_track_test.html
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| diff --git a/tracing/tracing/ui/tracks/letter_dot_track_test.html b/tracing/tracing/ui/tracks/letter_dot_track_test.html
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| index 93c2bcfbb9a7d2fea49288e39bc706145952d451..6f55ed14b623b7f2a87c26a54cc997eca42b0a9b 100644
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| --- a/tracing/tracing/ui/tracks/letter_dot_track_test.html
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| +++ b/tracing/tracing/ui/tracks/letter_dot_track_test.html
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| @@ -38,10 +38,10 @@ tr.b.unittest.testSuite(function() {
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|  
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|      var viewport = new Viewport(div);
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|      var drawingContainer = new tr.ui.tracks.DrawingContainer(viewport);
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| -    div.appendChild(drawingContainer);
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| +    Polymer.dom(div).appendChild(drawingContainer);
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|  
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|      var track = LetterDotTrack(viewport);
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| -    drawingContainer.appendChild(track);
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| +    Polymer.dom(drawingContainer).appendChild(track);
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|  
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|      this.addHTMLOutput(div);
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|      drawingContainer.invalidate();
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| 
 |