Fixes webrtc-internals stats reporting for the new stats API.

content/browser/resources/media/stats_graph_helper.js

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 //
 // This file contains helper methods to draw the stats timeline graphs.
 // Each graph represents a series of stats report for a PeerConnection,
 // e.g. 1234-0-ssrc-abcd123-bytesSent is the graph for the series of bytesSent
 // for ssrc-abcd123 of PeerConnection 0 in process 1234.
 // The graphs are drawn as CANVAS, grouped per report type per PeerConnection.
@@ skipping 70 matching lines @@
 var dataSeries = {};
 
 // Adds the stats report |singleReport| to the timeline graph for the given
 // |peerConnectionElement| and |reportName|.
 function drawSingleReport(peerConnectionElement, reportName, singleReport) {
   if (!singleReport || !singleReport.values)
     return;
   for (var i = 0; i < singleReport.values.length - 1; i = i + 2) {
     var rawLabel = singleReport.values[i];
     var rawValue = parseInt(singleReport.values[i + 1]);
+    if (isNaN(rawValue))
+      return;
+
     var rawDataSeriesId =
         peerConnectionElement.id + '-' + reportName + '-' + rawLabel;
 
     var finalDataSeriesId = rawDataSeriesId;
     var finalLabel = rawLabel;
     var finalValue = rawValue;
     // We need to convert the value if dataConversionConfig[rawLabel] exists.
     if (dataConversionConfig[rawLabel]) {
       // Updates the original dataSeries before the conversion.
       addDataSeriesPoint(rawDataSeriesId, singleReport.timestamp,
@@ skipping 110 matching lines @@
     div.graphViewId =
         peerConnectionElement.id + '-' + reportName + '-bweCompound';
     div.firstChild.addEventListener('click', function(event) {
         var target = dataSeries[event.target.parentNode.dataSeriesId];
         target.show(event.target.checked);
         graphViews[event.target.parentNode.graphViewId].repaint();
     });
   }
   return legend;
 }