Initialize remoting.ClientSession.PerfStats with zeros

remoting/webapp/base/js/client_session.js

Index: remoting/webapp/base/js/client_session.js
diff --git a/remoting/webapp/base/js/client_session.js b/remoting/webapp/base/js/client_session.js
index eda42d7891f85299f911988dd9d3cb5ee8bf005b..c611d4391d1c235b28d12ce8ffef763e1da41609 100644
--- a/remoting/webapp/base/js/client_session.js
+++ b/remoting/webapp/base/js/client_session.js
@@ -203,29 +203,29 @@ remoting.ClientSession.ConnectionError.fromString = function(error) {
  */
 remoting.ClientSession.PerfStats = function() {};
 /** @type {number} */
-remoting.ClientSession.PerfStats.prototype.videoBandwidth;
+remoting.ClientSession.PerfStats.prototype.videoBandwidth = 0;
 /** @type {number} */
-remoting.ClientSession.PerfStats.prototype.videoFrameRate;
+remoting.ClientSession.PerfStats.prototype.videoFrameRate = 0;
 /** @type {number} */
-remoting.ClientSession.PerfStats.prototype.captureLatency;
+remoting.ClientSession.PerfStats.prototype.captureLatency = 0;
 /** @type {number} */
-remoting.ClientSession.PerfStats.prototype.maxCaptureLatency;
+remoting.ClientSession.PerfStats.prototype.maxCaptureLatency = 0;
 /** @type {number} */
-remoting.ClientSession.PerfStats.prototype.encodeLatency;
+remoting.ClientSession.PerfStats.prototype.encodeLatency = 0;
 /** @type {number} */
-remoting.ClientSession.PerfStats.prototype.maxEncodeLatency;
+remoting.ClientSession.PerfStats.prototype.maxEncodeLatency = 0;
 /** @type {number} */
-remoting.ClientSession.PerfStats.prototype.decodeLatency;
+remoting.ClientSession.PerfStats.prototype.decodeLatency = 0;
 /** @type {number} */
-remoting.ClientSession.PerfStats.prototype.maxDecodeLatency;
+remoting.ClientSession.PerfStats.prototype.maxDecodeLatency = 0;
 /** @type {number} */
-remoting.ClientSession.PerfStats.prototype.renderLatency;
+remoting.ClientSession.PerfStats.prototype.renderLatency = 0;
 /** @type {number} */
-remoting.ClientSession.PerfStats.prototype.maxRenderLatency;
+remoting.ClientSession.PerfStats.prototype.maxRenderLatency = 0;
 /** @type {number} */
-remoting.ClientSession.PerfStats.prototype.roundtripLatency;
+remoting.ClientSession.PerfStats.prototype.roundtripLatency = 0;
 /** @type {number} */
-remoting.ClientSession.PerfStats.prototype.maxRoundtripLatency;
+remoting.ClientSession.PerfStats.prototype.maxRoundtripLatency = 0;
 
 // Keys for connection statistics.
 remoting.ClientSession.STATS_KEY_VIDEO_BANDWIDTH = 'videoBandwidth';