Print Preview: change getPreview 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 495d22458ad9b86ca49de5b33263ef04addb4e81..11ba13f57d788309e09011a9b5928cc3e3319efc 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',
+        'getPreview',
         'getPrivetPrinters',
         'getPrinterCapabilities',
         'print',
@@ -25,12 +26,6 @@ cr.define('print_preview', function() {
      */
     this.eventTarget_ = new cr.EventTarget();
 
-    /**
-     * @private {boolean} Whether the native layer has set the generate draft
-     *      parameter when requesting an updated preview.
-     */
-    this.generateDraft_ = false;
-
     /**
      * @private {!print_preview.NativeInitialSettings} The initial settings
      *     to be used for the response to a |getInitialSettings| call.
@@ -85,6 +80,19 @@ cr.define('print_preview', function() {
       return Promise.resolve(true);
     },
 
+    /** @override */
+    getPreview: function(
+        destination, printTicketStore, documentInfo, generateDraft, requestId) {
+      this.methodCalled('getPreview', {
+        destination: destination,
+        printTicketStore: printTicketStore,
+        documentInfo: documentInfo,
+        generateDraft: generateDraft,
+        requestId: requestId,
+      });
+      return Promise.resolve(requestId);
+    },
+
     /** @override */
     getPrivetPrinters: function() {
       this.methodCalled('getPrivetPrinters');
@@ -119,11 +127,6 @@ cr.define('print_preview', function() {
 
     /** Stubs for |print_preview.NativeLayer| methods that call C++ handlers. */
     previewReadyForTest: function() {},
-
-    startGetPreview: function(destination, printTicketStore, documentInfo,
-                              generateDraft, requestId) {
-      this.generateDraft_ = generateDraft;
-    },
     startHideDialog: function () {},
 
     /** @return {!cr.EventTarget} The native layer event target. */
@@ -134,9 +137,6 @@ cr.define('print_preview', function() {
       this.eventTarget_ = eventTarget;
     },
 
-    /** @return {boolean} Whether a new draft was requested for preview. */
-    generateDraft: function() { return this.generateDraft_; },
-
     /**
      * @param {!print_preview.NativeInitialSettings} settings The settings
      *     to return as a response to |getInitialSettings|.