Print Preview: Change print 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 73ba1244b89b5e788a15ae5d6a690ca3df07c510..6fba2364278612d18495b6839616592f7a59bca3 100644
--- a/chrome/test/data/webui/print_preview/native_layer_stub.js
+++ b/chrome/test/data/webui/print_preview/native_layer_stub.js
@@ -15,6 +15,7 @@ cr.define('print_preview', function() {
         'getExtensionPrinters',
         'getPrivetPrinters',
         'getPrinterCapabilities',
+        'print',
         'setupPrinter'
       ]);
 
@@ -99,6 +100,12 @@ cr.define('print_preview', function() {
       return this.localDestinationCapabilities_.get(printerId);
     },
 
+    /** @override */
+    print: function() {
+      this.methodCalled('print');
+      return Promise.resolve();
+    },
+
     /** @override */
     setupPrinter: function(printerId) {
       this.methodCalled('setupPrinter', printerId);
@@ -114,7 +121,6 @@ cr.define('print_preview', function() {
                               generateDraft, requestId) {
       this.generateDraft_ = generateDraft;
     },
-    startPrint: function () { this.printStarted_ = true; },
     startHideDialog: function () {},
 
     /** @return {!cr.EventTarget} The native layer event target. */