Notify print preview UI if getting capabilityes failed.

chrome/browser/resources/print_preview/native_layer.js

Index: chrome/browser/resources/print_preview/native_layer.js
diff --git a/chrome/browser/resources/print_preview/native_layer.js b/chrome/browser/resources/print_preview/native_layer.js
index f008d77d31ce9798b8abf0747a9be1f1b3189ef9..bb0c1bedac85a85f05db893a1fb1fa486f284e02 100644
--- a/chrome/browser/resources/print_preview/native_layer.js
+++ b/chrome/browser/resources/print_preview/native_layer.js
@@ -19,6 +19,8 @@ cr.define('print_preview', function() {
     global['setPrinters'] = this.onSetPrinters_.bind(this);
     global['updateWithPrinterCapabilities'] =
         this.onUpdateWithPrinterCapabilities_.bind(this);
+    global['failedToGetPrinterCapabilities'] =
+        this.onFailedToGetPrinterCapabilities_.bind(this);
     global['reloadPrintersList'] = this.onReloadPrintersList_.bind(this);
     global['printToCloud'] = this.onPrintToCloud_.bind(this);
     global['fileSelectionCancelled'] =
@@ -408,6 +410,17 @@ cr.define('print_preview', function() {
       this.dispatchEvent(capsSetEvent);
     },
 
+    /**
+     * Called when native layer gets settings information for a requested local
+     * destination.
+     * @param {Object} printer_name printer affected by error.

[Robert Toscano, 2012/08/22 01:05:31]

should be "@param {string} printerName ..."

+     * @private
+     */
+    onFailedToGetPrinterCapabilities_: function(printer_name) {

[Robert Toscano, 2012/08/22 01:05:31]

Plz use camel case for var names: printerName

+      // TODO(rltoscano): Switch to the next printer.
+      console.log('onFailedToGetPrinterCapabilities: ' + printer_name);
+    },
+
     /** Reloads the printer list. */
     onReloadPrintersList_: function() {
       cr.dispatchSimpleEvent(this, NativeLayer.EventType.DESTINATIONS_RELOAD);