Print Preview: Update test to check parameters sent to print()

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 23e223ee290476340d88b4fde885a62d231159b4..dce4eec7dc332818c157b8e7c89a910740f65458 100644
--- a/chrome/test/data/webui/print_preview/native_layer_stub.js
+++ b/chrome/test/data/webui/print_preview/native_layer_stub.js
@@ -98,8 +98,13 @@ cr.define('print_preview', function() {
     },
 
     /** @override */
-    print: function() {
-      this.methodCalled('print');
+    print: function(
+        destination, printTicketStore, cloudPrintInterface, documentInfo) {
+      var args = {"destination": destination,

[dpapad, 2017/06/27 18:49:00]

Nit1: Prefer single quotes instead of double quotes in JS.
Nit2: The quotes are not necessary at all here.
Nit3: Perhaps inline as followls

this.methodCalled('print', {
  destination: destination,
  printTicketStore: printTicketStore,
  ...
});

[rbpotter, 2017/06/28 01:14:57]

Done.

+                  "printTicketStore": printTicketStore,
+                  "cloudPrintInterface": cloudPrintInterface,
+                  "documentInfo": documentInfo };
+      this.methodCalled('print', args);
       return Promise.resolve();
     },