Eliminated named constants for instances of remoting.Error.

remoting/webapp/crd/js/host_install_dialog.js

Index: remoting/webapp/crd/js/host_install_dialog.js
diff --git a/remoting/webapp/crd/js/host_install_dialog.js b/remoting/webapp/crd/js/host_install_dialog.js
index bec2a01f8b9416e163a00c2601c4cc395eb0f87b..d10297fa74c98377be91e1218a6bf66e8631c158 100644
--- a/remoting/webapp/crd/js/host_install_dialog.js
+++ b/remoting/webapp/crd/js/host_install_dialog.js
@@ -68,7 +68,7 @@ remoting.HostInstallDialog.prototype.show = function(onDone, onError) {
     that.continueInstallButton_.click();
     that.hostInstaller_.cancel();
   }, function(){
-    that.onErrorHandler_(remoting.Error.CANCELLED);
+    that.onErrorHandler_(new remoting.Error(remoting.Error.Tag.CANCELLED));
     that.hostInstaller_.cancel();
   });
 };
@@ -103,7 +103,7 @@ remoting.HostInstallDialog.prototype.onCancelClicked_ = function() {
   this.cancelInstallButton_.removeEventListener(
       'click', this.onCancelClickedHandler_, false);
   this.hostInstaller_.cancel();
-  this.onErrorHandler_(remoting.Error.CANCELLED);
+  this.onErrorHandler_(new remoting.Error(remoting.Error.Tag.CANCELLED));
 };
 
 remoting.HostInstallDialog.prototype.onRetryClicked_ = function() {