Print round trip latency in chromoting webapp

Print the latency of sending an event to receiving a recorresponding
video frame.

BUG=None
TEST=None

Review URL: http://codereview.chromium.org/7235011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@90457 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 3 insertions, 1 deletions

diff --git a/remoting/webapp/me2mom/remoting_session.js b/remoting/webapp/me2mom/remoting_session.js
index 9d8e861..055fc7e 100644
--- a/remoting/webapp/me2mom/remoting_session.js
+++ b/remoting/webapp/me2mom/remoting_session.js
@@ -290,6 +290,7 @@ function updateStatusBarStats() {
   var videoEncodeLatency = remoting.plugin.videoEncodeLatency;
   var videoDecodeLatency = remoting.plugin.videoDecodeLatency;
   var videoRenderLatency = remoting.plugin.videoRenderLatency;
+  var roundTripLatency = remoting.plugin.roundTripLatency;
 
   var units = '';
   if (videoBandwidth < 1024) {
@@ -310,7 +311,8 @@ function updateStatusBarStats() {
       ', Capture: ' + videoCaptureLatency.toFixed(2) + 'ms' +
       ', Encode: ' + videoEncodeLatency.toFixed(2) + 'ms' +
       ', Decode: ' + videoDecodeLatency.toFixed(2) + 'ms' +
-      ', Render: ' + videoRenderLatency.toFixed(2) + 'ms');
+      ', Render: ' + videoRenderLatency.toFixed(2) + 'ms' +
+      ', Latency: ' + roundTripLatency.toFixed(2) + 'ms');
 
   // Update the stats once per second.
   window.setTimeout('updateStatusBarStats()', 1000);