Print Preview: Change getPrivetPrinters to cr.sendWithPromise

chrome/test/data/webui/print_preview/native_layer_stub.js

Index: chrome/test/data/webui/print_preview/native_layer_stub.js
diff --git a/chrome/test/data/webui/print_preview/native_layer_stub.js b/chrome/test/data/webui/print_preview/native_layer_stub.js
index 4e35e6b1382f1a2bf5f2575e1b41d183b5ec8a74..51f80161229a7f14b40c7e72ba11eb07f7062c4f 100644
--- a/chrome/test/data/webui/print_preview/native_layer_stub.js
+++ b/chrome/test/data/webui/print_preview/native_layer_stub.js
@@ -13,6 +13,7 @@ cr.define('print_preview', function() {
         'getInitialSettings',
         'getPrinters',
         'getExtensionPrinters',
+        'getPrivetPrinters',
         'setupPrinter'
       ]);
 
@@ -89,6 +90,12 @@ cr.define('print_preview', function() {
       return Promise.resolve(true);
     },
 
+    /** @override */
+    getPrivetPrinters: function() {
+      this.methodCalled('getPrivetPrinters');
+      return Promise.resolve(true);
+    },
+
     /** @override */
     setupPrinter: function(printerId) {
       this.methodCalled('setupPrinter', printerId);
@@ -99,8 +106,6 @@ cr.define('print_preview', function() {
 
     /** Stubs for |print_preview.NativeLayer| methods that call C++ handlers. */
     previewReadyForTest: function() {},
-    startGetLocalDestinations: function() {},
-    startGetPrivetDestinations: function() {},
     startGetLocalDestinationCapabilities: function(destinationId) {
       if (destinationId == this.destinationToWatch_)
         this.getLocalDestinationCapabilitiesCallCount_++;