Requiem for client_screen.js

remoting/webapp/crd/js/ui_mode.js

Index: remoting/webapp/crd/js/ui_mode.js
diff --git a/remoting/webapp/crd/js/ui_mode.js b/remoting/webapp/crd/js/ui_mode.js
index 89c833ecb7978ae9698c21e4604d97e19bd2bd11..96a2021d8d19537fe23a5280d3b38ca3bc7ec0ad 100644
--- a/remoting/webapp/crd/js/ui_mode.js
+++ b/remoting/webapp/crd/js/ui_mode.js
@@ -123,20 +123,9 @@ remoting.setMode = function(mode) {
   if (mode == remoting.AppMode.IN_SESSION) {
     document.removeEventListener('keydown', remoting.ConnectionStats.onKeydown,
                                  false);
-    if ('hidden' in document) {
-      document.addEventListener('visibilitychange',
-                                remoting.onVisibilityChanged, false);
-    } else {
-      document.addEventListener('webkitvisibilitychange',
-                                remoting.onVisibilityChanged, false);
-    }
   } else {
     document.addEventListener('keydown', remoting.ConnectionStats.onKeydown,
                               false);
-    document.removeEventListener('visibilitychange',
-                                 remoting.onVisibilityChanged, false);
-    document.removeEventListener('webkitvisibilitychange',
-                                 remoting.onVisibilityChanged, false);
     // TODO(jamiewalch): crbug.com/252796: Remove this once crbug.com/240772
     // is fixed.
     var scroller = document.getElementById('scroller');