Fix Security Key proxying.

remoting/webapp/crd/js/client_session.js

Index: remoting/webapp/crd/js/client_session.js
diff --git a/remoting/webapp/crd/js/client_session.js b/remoting/webapp/crd/js/client_session.js
index 8c54cb743eedce5e197e53a30c940b372b61cf1a..f0fa9b4b95417eb6acbc78adfe3688b93a73344f 100644
--- a/remoting/webapp/crd/js/client_session.js
+++ b/remoting/webapp/crd/js/client_session.js
@@ -408,10 +408,6 @@ remoting.ClientSession.Capability = {
   // Indicates that the client supports 'cast'ing the video stream to a
   // cast-enabled device.
   CAST: 'casting',
-
-  // When enabled, this capability results in the client informing the host
-  // that it supports Gnubby-based authentication.
-  GNUBBY_AUTH: 'gnubbyAuth'
 };
 
 /**
@@ -1572,8 +1568,7 @@ remoting.ClientSession.prototype.processGnubbyAuthMessage_ = function(data) {
  * @private
  */
 remoting.ClientSession.prototype.createGnubbyAuthHandler_ = function() {
-  if (this.hasCapability_(remoting.ClientSession.Capability.GNUBBY_AUTH) &&
-      this.mode_ == remoting.ClientSession.Mode.ME2ME) {
+  if (this.mode_ == remoting.ClientSession.Mode.ME2ME) {
     this.gnubbyAuthHandler_ = new remoting.GnubbyAuthHandler(this);
     // TODO(psj): Move to more generic capabilities mechanism.
     this.sendGnubbyAuthMessage({'type': 'control', 'option': 'auth-v1'});