Print Preview: Merge NativeLayerStubs for tests

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

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-GEN('#include "base/feature_list.h"');
-GEN('#include "chrome/common/chrome_features.h"');
-
-var ROOT_PATH = '../../../../';
+var ROOT_PATH = '../../../../../';
 
 /**
  * Test fixture for print preview WebUI testing.
  * @constructor
  * @extends {testing.Test}
  */
 function PrintPreviewWebUITest() {
   testing.Test.call(this);
   this.printPreview_ = null;
   this.nativeLayer_ = null;
@@ skipping 24 matching lines @@
 PrintPreviewWebUITest.BAR_INDEX = 2;
 
 PrintPreviewWebUITest.prototype = {
   __proto__: testing.Test.prototype,
 
   /**
    * Browse to the sample page, cause print preview & call preLoad().
    * @type {string}
    * @override
    */
-  browsePrintPreload: 'print_preview_hello_world_test.html',
+  browsePrintPreload: 'print_preview/print_preview_hello_world_test.html',
 
   /** @override */
   runAccessibilityChecks: true,
 
   /** @override */
   accessibilityIssuesAreErrors: true,
 
   /** @override */
   isAsync: true,
 
   /**
    * Stub out low-level functionality like the NativeLayer and
    * CloudPrintInterface.
    * @this {PrintPreviewWebUITest}
    * @override
    */
   preLoad: function() {
     window.isTest = true;
     window.addEventListener('DOMContentLoaded', function() {
-      /**
-       * Test version of the native layer.
-       * @constructor
-       * @extends {settings.TestBrowserProxy}
-       */
-      function NativeLayerStub() {
-        settings.TestBrowserProxy.call(this, [ 'getInitialSettings' ]);
-        this.eventTarget_ = new cr.EventTarget();
-        this.printStarted_ = false;
-        this.generateDraft_ = false;
-        this.initialSettings_ = null;
-      }
-      NativeLayerStub.prototype = {
-        __proto__: settings.TestBrowserProxy.prototype,
-        getEventTarget: function() { return this.eventTarget_; },
-        isPrintStarted: function() { return this.printStarted_; },
-        generateDraft: function() { return this.generateDraft_; },
-        getInitialSettings: function() {
-          this.methodCalled('getInitialSettings');
-          return Promise.resolve(this.initialSettings_);
-        },
-        previewReadyForTest: function() {},
-        startGetLocalDestinations: function() {},
-        startGetPrivetDestinations: function() {},
-        startGetExtensionDestinations: function() {},
-        startGetLocalDestinationCapabilities: function(destinationId) {},
-        startGetPreview: function(destination, printTicketStore, documentInfo,
-                                  generateDraft, requestId) {
-          this.generateDraft_ = generateDraft;
-        },
-        startHideDialog: function () {},
-        startPrint: function () { this.printStarted_ = true; }
-      };
-      var oldNativeLayerEventType = print_preview.NativeLayer.EventType;
-      var oldDuplexMode = print_preview.NativeLayer.DuplexMode;
-      print_preview.NativeLayer = NativeLayerStub;
-      print_preview.NativeLayer.EventType = oldNativeLayerEventType;
-      print_preview.NativeLayer.DuplexMode = oldDuplexMode;
-
       function CloudPrintInterfaceStub() {
         cr.EventTarget.call(this);
       }
       CloudPrintInterfaceStub.prototype = {
         __proto__: cr.EventTarget.prototype,
         search: function(isRecent) {}
       };
       var oldCpInterfaceEventType = cloudprint.CloudPrintInterfaceEventType;
       cloudprint.CloudPrintInterface = CloudPrintInterfaceStub;
       cloudprint.CloudPrintInterfaceEventType = oldCpInterfaceEventType;
 
       print_preview.PreviewArea.prototype.checkPluginCompatibility_ =
           function() {
         return false;
       };
     }.bind(this));
   },
 
   extraLibraries: [
     ROOT_PATH + 'ui/webui/resources/js/cr.js',
     ROOT_PATH + 'ui/webui/resources/js/promise_resolver.js',
     ROOT_PATH + 'ui/webui/resources/js/util.js',
     ROOT_PATH + 'chrome/test/data/webui/settings/test_browser_proxy.js',
+    'native_layer_stub.js',
   ],
 
   /**
    * Creates an instance of print_preview.PrintPreview and initializes the
    * |nativeLayer_| and |previewArea_|.
    */
   createPrintPreview: function() {
+    this.nativeLayer_ = new print_preview.NativeLayerStub();
+    print_preview.NativeLayer.setInstance(this.nativeLayer_);
     this.printPreview_ = new print_preview.PrintPreview();
-    this.nativeLayer_ = this.printPreview_.nativeLayer_;
-    this.previewArea_ = this.printPreview_.previewArea_;
+    this.previewArea_ = this.printPreview_.getPreviewArea();
   },
 
   /**
    * Initialize print preview with the initial settings currently stored in
    * |this.initialSettings_|. Creates |this.printPreview_| if it does not
    * already exist.
    */
   setInitialSettings: function() {
-    if (!this.printPreview_) {
-      this.printPreview_ = new print_preview.PrintPreview();
-      this.nativeLayer_ = this.printPreview_.nativeLayer_;
-      this.previewArea_ = this.printPreview_.previewArea_;
-    }
-    this.nativeLayer_.initialSettings_ = this.initialSettings_;
+    if (!this.printPreview_)
+      this.createPrintPreview();
+    this.nativeLayer_.setInitialSettings(this.initialSettings_);
     this.printPreview_.initialize();
     testing.Test.disableAnimationsAndTransitions();
     // Enable when failure is resolved.
     // AX_TEXT_03: http://crbug.com/559209
     this.accessibilityAuditConfig.ignoreSelectors(
         'multipleLabelableElementsPerLabel',
         '#page-settings > .right-column > *');
   },
 
   /**
@@ skipping 88 matching lines @@
     // Need to disable this since overlay animation will not fully complete.
     this.setLocalDestinations();
     this.setCapabilities(device);
     this.expandMoreSettings();
 
     // Check that the advanced options settings section is visible.
     checkSectionVisible($('advanced-options-settings'), true);
   },
 
   /**
-   * Generate a real C++ class; don't typedef.
-   * @type {?string}
-   * @override
-   */
-  typedefCppFixture: null,
-
-  /**
    * @this {PrintPreviewWebUITest}
    * @override
    */
   setUp: function() {
     testing.Test.prototype.setUp.call(this);
     Mock4JS.clearMocksToVerify();
 
     this.initialSettings_ = new print_preview.NativeInitialSettings(
       false /*isInKioskAutoPrintMode*/,
       false /*isInAppKioskMode*/,
       ',' /*thousandsDelimeter*/,
       '.' /*decimalDelimeter*/,
       1 /*unitType*/,
       true /*isDocumentModifiable*/,
       'title' /*documentTitle*/,
       true /*documentHasSelection*/,
       false /*selectionOnly*/,
       'FooDevice' /*systemDefaultDestinationId*/,
       null /*serializedAppStateStr*/,
       null /*serializedDefaultDestinationSelectionRulesStr*/);
     this.localDestinationInfos_ = [
       { printerName: 'FooName', deviceName: 'FooDevice' },
       { printerName: 'BarName', deviceName: 'BarDevice' }
     ];
   },
 };
 
-GEN('#include "chrome/test/data/webui/print_preview.h"');
-
 // Test some basic assumptions about the print preview WebUI.
 TEST_F('PrintPreviewWebUITest', 'TestPrinterList', function() {
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
         var recentList =
             $('destination-search').querySelector('.recent-list ul');
         var localList =
             $('destination-search').querySelector('.local-list ul');
         assertNotEquals(null, recentList);
         assertEquals(1, recentList.childNodes.length);
         assertEquals('FooName',
                      recentList.childNodes.item(0).querySelector(
@@ skipping 11 matching lines @@
                      querySelector('.destination-list-item-name').textContent);
         testDone();
       }.bind(this));
 });
 
 // Test that the printer list is structured correctly after calling
 // addCloudPrinters with an empty list.
 TEST_F('PrintPreviewWebUITest', 'TestPrinterListCloudEmpty', function() {
   this.setInitialSettings();
 
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
 
         var cloudPrintEnableEvent =
             new Event(print_preview.NativeLayer.EventType.CLOUD_PRINT_ENABLE);
         cloudPrintEnableEvent.baseCloudPrintUrl = 'cloudprint url';
         this.nativeLayer_.getEventTarget().dispatchEvent(
             cloudPrintEnableEvent);
 
         var searchDoneEvent =
@@ skipping 111 matching lines @@
 
 // Test restore settings with one destination.
 TEST_F('PrintPreviewWebUITest', 'TestPrintPreviewRestoreLocalDestination',
     function() {
   this.initialSettings_.serializedAppStateStr_ =
       '{"version":2,"recentDestinations":[{"id":"ID", "origin":"local",' +
         '"account":"", "capabilities":0, "name":"", "extensionId":"",' +
             '"extensionName":""}]}';
 
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         testDone();
       });
 });
 
 // Test with multiple destinations
 TEST_F('PrintPreviewWebUITest', 'TestPrintPreviewRestoreMultipleDestinations',
     function() {
   var origin = cr.isChromeOS ? "chrome_os" : "local";
 
@@ skipping 26 matching lines @@
         'name': '',
         'extensionId': '',
         'extensionName': ''
       }
     ]
   };
 
   this.initialSettings_.serializedAppStateStr_ = JSON.stringify(appState);
   this.setInitialSettings();
 
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         // Set capabilities for the three recently used destinations + 1 more
         this.setCapabilities(getCddTemplate('ID1'));
         this.setCapabilities(getCddTemplate('ID2'));
         this.setCapabilities(getCddTemplate('ID3'));
         this.setCapabilities(getCddTemplate('ID4'));
 
         // The most recently used destination should be the currently selected
         // one. This is ID1.
         assertEquals(
@@ skipping 21 matching lines @@
         testDone();
       }.bind(this));
 });
 
 TEST_F('PrintPreviewWebUITest',
     'TestPrintPreviewDefaultDestinationSelectionRules', function() {
   // It also makes sure these rules do override system default destination.
   this.initialSettings_.serializedDefaultDestinationSelectionRulesStr_ =
       '{"namePattern":".*Bar.*"}';
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
 
         assertEquals(
             'BarDevice',
             this.printPreview_.destinationStore_.selectedDestination.id);
 
         testDone();
       }.bind(this));
 });
 
 TEST_F('PrintPreviewWebUITest', 'TestSystemDialogLinkIsHiddenInAppKioskMode',
     function() {
   if (!cr.isChromeOS)
     this.initialSettings_.isInAppKioskMode_ = true;
 
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         if (cr.isChromeOS)
           assertEquals(null, $('system-dialog-link'));
         else
           checkElementDisplayed($('system-dialog-link'), false);
         testDone();
       });
 });
 
 // Test that disabled settings hide the disabled sections.
 TEST_F('PrintPreviewWebUITest', 'TestSectionsDisabled', function() {
   this.createPrintPreview();
   checkSectionVisible($('layout-settings'), false);
   checkSectionVisible($('color-settings'), false);
   checkSectionVisible($('copies-settings'), false);
 
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
         var device = getCddTemplate("FooDevice");
         device.capabilities.printer.color = {
           "option": [
             {"is_default": true, "type": "STANDARD_COLOR"}
           ]
         };
         delete device.capabilities.printer.copies;
         this.setCapabilities(device);
 
         checkSectionVisible($('layout-settings'), true);
         checkSectionVisible($('color-settings'), false);
         checkSectionVisible($('copies-settings'), false);
 
         this.waitForAnimationToEnd('other-options-collapsible');
       }.bind(this));
 });
 
 // When the source is 'PDF' and 'Save as PDF' option is selected, we hide the
 // fit to page option.
 TEST_F('PrintPreviewWebUITest', 'PrintToPDFSelectedCapabilities', function() {
   // Add PDF printer.
   this.initialSettings_.isDocumentModifiable_ = false;
   this.initialSettings_.systemDefaultDestinationId_ = 'Save as PDF';
   this.setInitialSettings();
 
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         var device = {
           printerId: 'Save as PDF',
           capabilities: {
             version: '1.0',
             printer: {
               page_orientation: {
                 option: [
                   {type: 'AUTO', is_default: true},
                   {type: 'PORTRAIT'},
@@ skipping 33 matching lines @@
         checkSectionVisible($('scaling-settings'), false);
 
         testDone();
       }.bind(this));
 });
 
 // When the source is 'HTML', we always hide the fit to page option and show
 // media size option.
 TEST_F('PrintPreviewWebUITest', 'SourceIsHTMLCapabilities', function() {
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
         this.setCapabilities(getCddTemplate("FooDevice"));
 
         var otherOptions = $('other-options-settings');
         var fitToPage = otherOptions.querySelector('#fit-to-page-container');
         var rasterize;
         if (isPrintAsImageEnabled())
           rasterize = otherOptions.querySelector('#rasterize-container');
         var mediaSize = $('media-size-settings');
@@ skipping 18 matching lines @@
 
         this.waitForAnimationToEnd('more-settings');
       }.bind(this));
 });
 
 // When the source is "PDF", depending on the selected destination printer, we
 // show/hide the fit to page option and hide media size selection.
 TEST_F('PrintPreviewWebUITest', 'SourceIsPDFCapabilities', function() {
   this.initialSettings_.isDocumentModifiable_ = false;
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
         this.setCapabilities(getCddTemplate("FooDevice"));
 
         var otherOptions = $('other-options-settings');
         var scalingSettings = $('scaling-settings');
         var fitToPageContainer =
             otherOptions.querySelector('#fit-to-page-container');
         var rasterizeContainer;
         if (isPrintAsImageEnabled()) {
@@ skipping 18 matching lines @@
 
         this.waitForAnimationToEnd('other-options-collapsible');
       }.bind(this));
 });
 
 // When the source is "PDF", depending on the selected destination printer, we
 // show/hide the fit to page option and hide media size selection.
 TEST_F('PrintPreviewWebUITest', 'ScalingUnchecksFitToPage', function() {
   this.initialSettings_.isDocumentModifiable_ = false;
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
         this.setCapabilities(getCddTemplate("FooDevice"));
 
         var otherOptions = $('other-options-settings');
         var scalingSettings = $('scaling-settings');
 
         checkSectionVisible(otherOptions, true);
         var fitToPageContainer =
             otherOptions.querySelector('#fit-to-page-container');
@@ skipping 20 matching lines @@
 
         this.waitForAnimationToEnd('other-options-collapsible');
       }.bind(this));
 });
 
 // When the number of copies print preset is set for source 'PDF', we update
 // the copies value if capability is supported by printer.
 TEST_F('PrintPreviewWebUITest', 'CheckNumCopiesPrintPreset', function() {
   this.initialSettings_.isDocumentModifiable_ = false;
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
         this.setCapabilities(getCddTemplate("FooDevice"));
 
         // Indicate that the number of copies print preset is set for source
         // PDF.
         var printPresetOptions = {
           disableScaling: true,
           copies: 2
         };
@@ skipping 11 matching lines @@
         this.waitForAnimationToEnd('other-options-collapsible');
       }.bind(this));
 });
 
 // When the duplex print preset is set for source 'PDF', we update the
 // duplex setting if capability is supported by printer.
 TEST_F('PrintPreviewWebUITest', 'CheckDuplexPrintPreset', function() {
   this.initialSettings_.isDocumentModifiable_ = false;
   this.setInitialSettings();
 
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
         this.setCapabilities(getCddTemplate("FooDevice"));
 
         // Indicate that the duplex print preset is set to "long edge" for
         // source PDF.
         var printPresetOptions = {
           duplex: 1
         };
         var printPresetOptionsEvent = new Event(
             print_preview.NativeLayer.EventType.PRINT_PRESET_OPTIONS);
         printPresetOptionsEvent.optionsFromDocument = printPresetOptions;
         this.nativeLayer_.getEventTarget().
             dispatchEvent(printPresetOptionsEvent);
 
         var otherOptions = $('other-options-settings');
         checkSectionVisible(otherOptions, true);
         var duplexContainer = otherOptions.querySelector('#duplex-container');
         checkElementDisplayed(duplexContainer, true);
         expectTrue(duplexContainer.querySelector('.checkbox').checked);
 
         this.waitForAnimationToEnd('other-options-collapsible');
       }.bind(this));
 });
 
 // Make sure that custom margins controls are properly set up.
 TEST_F('PrintPreviewWebUITest', 'CustomMarginsControlsCheck', function() {
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
         this.setCapabilities(getCddTemplate("FooDevice"));
 
         this.printPreview_.printTicketStore_.marginsType.updateValue(
             print_preview.ticket_items.MarginsTypeValue.CUSTOM);
 
         ['left', 'top', 'right', 'bottom'].forEach(function(margin) {
           var control =
               $('preview-area').querySelector('.margin-control-' + margin);
           assertNotEquals(null, control);
           var input = control.querySelector('.margin-control-textbox');
           assertTrue(input.hasAttribute('aria-label'));
           assertNotEquals('undefined', input.getAttribute('aria-label'));
         });
         this.waitForAnimationToEnd('more-settings');
       }.bind(this));
 });
 
 // Page layout has zero margins. Hide header and footer option.
 TEST_F('PrintPreviewWebUITest', 'PageLayoutHasNoMarginsHideHeaderFooter',
     function() {
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
         this.setCapabilities(getCddTemplate("FooDevice"));
 
         var otherOptions = $('other-options-settings');
         var headerFooter =
             otherOptions.querySelector('#header-footer-container');
 
         // Check that options are collapsed (section is visible, because duplex
         // is available).
@@ skipping 12 matching lines @@
         checkElementDisplayed(headerFooter, false);
 
         this.waitForAnimationToEnd('more-settings');
       }.bind(this));
 });
 
 // Page layout has half-inch margins. Show header and footer option.
 TEST_F('PrintPreviewWebUITest', 'PageLayoutHasMarginsShowHeaderFooter',
     function() {
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
         this.setCapabilities(getCddTemplate("FooDevice"));
 
         var otherOptions = $('other-options-settings');
         var headerFooter =
             otherOptions.querySelector('#header-footer-container');
 
         // Check that options are collapsed (section is visible, because duplex
         // is available).
@@ skipping 13 matching lines @@
 
         this.waitForAnimationToEnd('more-settings');
       }.bind(this));
 });
 
 // Page layout has zero top and bottom margins. Hide header and footer option.
 TEST_F('PrintPreviewWebUITest',
        'ZeroTopAndBottomMarginsHideHeaderFooter',
        function() {
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
         this.setCapabilities(getCddTemplate("FooDevice"));
 
         var otherOptions = $('other-options-settings');
         var headerFooter =
             otherOptions.querySelector('#header-footer-container');
 
         // Check that options are collapsed (section is visible, because duplex
         // is available).
@@ skipping 14 matching lines @@
         this.waitForAnimationToEnd('more-settings');
       }.bind(this));
 });
 
 // Page layout has zero top and half-inch bottom margin. Show header and footer
 // option.
 TEST_F('PrintPreviewWebUITest',
        'ZeroTopAndNonZeroBottomMarginShowHeaderFooter',
        function() {
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
         this.setCapabilities(getCddTemplate("FooDevice"));
 
         var otherOptions = $('other-options-settings');
         var headerFooter =
             otherOptions.querySelector('#header-footer-container');
 
         // Check that options are collapsed (section is visible, because duplex
         // is available).
@@ skipping 11 matching lines @@
 
         checkElementDisplayed(headerFooter, true);
 
         this.waitForAnimationToEnd('more-settings');
       }.bind(this));
 });
 
 // Check header footer availability with small (label) page size.
 TEST_F('PrintPreviewWebUITest', 'SmallPaperSizeHeaderFooter', function() {
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
         var device = getCddTemplate("FooDevice");
         device.capabilities.printer.media_size = {
           "option": [
             {"name": "SmallLabel", "width_microns": 38100,
               "height_microns": 12700, "is_default": false},
             {"name": "BigLabel", "width_microns": 50800,
               "height_microns": 76200, "is_default": true}
           ]
@@ skipping 24 matching lines @@
         this.printPreview_.printTicketStore_.landscape.updateValue(true);
         checkElementDisplayed(headerFooter, true);
 
         this.waitForAnimationToEnd('more-settings');
       }.bind(this));
 });
 
 // Test that the color settings, one option, standard monochrome.
 TEST_F('PrintPreviewWebUITest', 'TestColorSettingsMonochrome', function() {
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
 
         // Only one option, standard monochrome.
         var device = getCddTemplate("FooDevice");
         device.capabilities.printer.color = {
           "option": [
             {"is_default": true, "type": "STANDARD_MONOCHROME"}
           ]
         };
         this.setCapabilities(device);
 
         checkSectionVisible($('color-settings'), false);
 
         this.waitForAnimationToEnd('more-settings');
       }.bind(this));
 });
 
 // Test that the color settings, one option, custom monochrome.
 TEST_F('PrintPreviewWebUITest', 'TestColorSettingsCustomMonochrome',
     function() {
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
 
         // Only one option, standard monochrome.
         var device = getCddTemplate("FooDevice");
         device.capabilities.printer.color = {
           "option": [
             {"is_default": true, "type": "CUSTOM_MONOCHROME",
              "vendor_id": "42"}
           ]
         };
         this.setCapabilities(device);
 
         checkSectionVisible($('color-settings'), false);
 
         this.waitForAnimationToEnd('more-settings');
       }.bind(this));
 });
 
 // Test that the color settings, one option, standard color.
 TEST_F('PrintPreviewWebUITest', 'TestColorSettingsColor', function() {
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
 
         var device = getCddTemplate("FooDevice");
         device.capabilities.printer.color = {
           "option": [
             {"is_default": true, "type": "STANDARD_COLOR"}
           ]
         };
         this.setCapabilities(device);
 
         checkSectionVisible($('color-settings'), false);
 
         this.waitForAnimationToEnd('more-settings');
       }.bind(this));
 });
 
 // Test that the color settings, one option, custom color.
 TEST_F('PrintPreviewWebUITest', 'TestColorSettingsCustomColor', function() {
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
 
         var device = getCddTemplate("FooDevice");
         device.capabilities.printer.color = {
           "option": [
             {"is_default": true, "type": "CUSTOM_COLOR", "vendor_id": "42"}
           ]
         };
         this.setCapabilities(device);
 
         checkSectionVisible($('color-settings'), false);
 
         this.waitForAnimationToEnd('more-settings');
       }.bind(this));
 });
 
 // Test that the color settings, two options, both standard, defaults to color.
 TEST_F('PrintPreviewWebUITest', 'TestColorSettingsBothStandardDefaultColor',
     function() {
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
 
         var device = getCddTemplate("FooDevice");
         device.capabilities.printer.color = {
           "option": [
             {"type": "STANDARD_MONOCHROME"},
             {"is_default": true, "type": "STANDARD_COLOR"}
           ]
         };
         this.setCapabilities(device);
 
         checkSectionVisible($('color-settings'), true);
         expectEquals(
             'color',
             $('color-settings').querySelector('.color-settings-select').value);
 
         this.waitForAnimationToEnd('more-settings');
       }.bind(this));
 });
 
 // Test that the color settings, two options, both standard, defaults to
 // monochrome.
 TEST_F('PrintPreviewWebUITest',
     'TestColorSettingsBothStandardDefaultMonochrome', function() {
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
 
         var device = getCddTemplate("FooDevice");
         device.capabilities.printer.color = {
           "option": [
             {"is_default": true, "type": "STANDARD_MONOCHROME"},
             {"type": "STANDARD_COLOR"}
           ]
         };
         this.setCapabilities(device);
 
         checkSectionVisible($('color-settings'), true);
         expectEquals(
             'bw',
             $('color-settings').querySelector('.color-settings-select').value);
 
         this.waitForAnimationToEnd('more-settings');
       }.bind(this));
 });
 
 // Test that the color settings, two options, both custom, defaults to color.
 TEST_F('PrintPreviewWebUITest',
     'TestColorSettingsBothCustomDefaultColor', function() {
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
 
         var device = getCddTemplate("FooDevice");
         device.capabilities.printer.color = {
           "option": [
             {"type": "CUSTOM_MONOCHROME", "vendor_id": "42"},
             {"is_default": true, "type": "CUSTOM_COLOR", "vendor_id": "43"}
           ]
         };
         this.setCapabilities(device);
 
         checkSectionVisible($('color-settings'), true);
         expectEquals(
             'color',
             $('color-settings').querySelector('.color-settings-select').value);
 
         this.waitForAnimationToEnd('more-settings');
       }.bind(this));
 });
 
 // Test to verify that duplex settings are set according to the printer
 // capabilities.
 TEST_F('PrintPreviewWebUITest', 'TestDuplexSettingsTrue', function() {
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
         this.setCapabilities(getCddTemplate("FooDevice"));
 
         var otherOptions = $('other-options-settings');
         checkSectionVisible(otherOptions, true);
         duplexContainer = otherOptions.querySelector('#duplex-container');
         expectFalse(duplexContainer.hidden);
         expectFalse(duplexContainer.querySelector('.checkbox').checked);
 
         this.waitForAnimationToEnd('more-settings');
       }.bind(this));
 });
 
 // Test to verify that duplex settings are set according to the printer
 // capabilities.
 TEST_F('PrintPreviewWebUITest', 'TestDuplexSettingsFalse', function() {
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
         var device = getCddTemplate("FooDevice");
         delete device.capabilities.printer.duplex;
         this.setCapabilities(device);
 
         // Check that it is collapsed.
         var otherOptions = $('other-options-settings');
         checkSectionVisible(otherOptions, false);
 
         this.expandMoreSettings();
 
         // Now it should be visible.
         checkSectionVisible(otherOptions, true);
         expectTrue(otherOptions.querySelector('#duplex-container').hidden);
 
         this.waitForAnimationToEnd('more-settings');
       }.bind(this));
 });
 
 // Test that changing the selected printer updates the preview.
 TEST_F('PrintPreviewWebUITest', 'TestPrinterChangeUpdatesPreview', function() {
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
         this.setCapabilities(getCddTemplate("FooDevice"));
 
         var previewGenerator = mock(print_preview.PreviewGenerator);
-        this.printPreview_.previewArea_.previewGenerator_ =
+        this.previewArea_.previewGenerator_ =
             previewGenerator.proxy();
 
         // The number of settings that can change due to a change in the
         // destination that will therefore dispatch ticket item change events.
         previewGenerator.expects(exactly(9)).requestPreview();
 
         var barDestination =
             this.printPreview_.destinationStore_.destinations().find(
                 function(d) {
                   return d.id == 'BarDevice';
                 });
 
         this.printPreview_.destinationStore_.selectDestination(barDestination);
 
         var device = getCddTemplate("BarDevice");
         device.capabilities.printer.color = {
           "option": [
             {"is_default": true, "type": "STANDARD_MONOCHROME"}
           ]
         };
         this.setCapabilities(device);
 
         this.waitForAnimationToEnd('more-settings');
       }.bind(this));
 });
 
 // Test that error message is displayed when plugin doesn't exist.
 TEST_F('PrintPreviewWebUITest', 'TestNoPDFPluginErrorMessage', function() {
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         var previewAreaEl = $('preview-area');
 
         var loadingMessageEl =
             previewAreaEl.
             getElementsByClassName('preview-area-loading-message')[0];
         expectTrue(loadingMessageEl.hidden);
 
         var previewFailedMessageEl = previewAreaEl.getElementsByClassName(
             'preview-area-preview-failed-message')[0];
         expectTrue(previewFailedMessageEl.hidden);
 
         var printFailedMessageEl =
             previewAreaEl.
             getElementsByClassName('preview-area-print-failed')[0];
         expectTrue(printFailedMessageEl.hidden);
 
         var customMessageEl =
             previewAreaEl.
             getElementsByClassName('preview-area-custom-message')[0];
         expectFalse(customMessageEl.hidden);
 
         testDone();
       });
 });
 
 // Test custom localized paper names.
 TEST_F('PrintPreviewWebUITest', 'TestCustomPaperNames', function() {
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
 
         var customLocalizedMediaName = 'Vendor defined localized media name';
         var customMediaName = 'Vendor defined media name';
 
         var device = getCddTemplate("FooDevice");
         device.capabilities.printer.media_size = {
           option: [
             { name: 'CUSTOM',
@@ skipping 105 matching lines @@
   advancedOptionsSettingsButton.disabled = false;
   advancedOptionsSettingsButton.click();
 }
 
 // Test advanced settings with 1 capability (should not display settings search
 // box).
 TEST_F('PrintPreviewWebUITest', 'TestAdvancedSettings1Option', function() {
   var device = getCddTemplateWithAdvancedSettings("FooDevice");
   this.accessibilityIssuesAreErrors = false;
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setupAdvancedSettingsTest(device);
 
         // Open the advanced settings overlay.
         openAdvancedSettings();
 
         // Check that advanced settings close button is now visible,
         // but not the search box (only 1 capability).
         var advancedSettingsCloseButton = $('advanced-settings').
               querySelector('.close-button');
@@ skipping 17 matching lines @@
       select_cap: {
           option: [
               {display_name: 'Standard', value: 0, is_default: true},
               {display_name: 'Recycled', value: 1},
               {display_name: 'Special', value: 2}
           ]
       }
   });
   this.accessibilityIssuesAreErrors = false;
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setupAdvancedSettingsTest(device);
 
         // Open the advanced settings overlay.
         openAdvancedSettings();
 
         // Check advanced settings is visible and that the search box now
         // appears.
         var advancedSettingsCloseButton = $('advanced-settings').
             querySelector('.close-button');
@@ skipping 20 matching lines @@
         extensionId: '', extensionName: ''
       };
     }),
   };
   this.initialSettings_.serializedAppStateStr_ = JSON.stringify(initSettings);
   this.setCapabilities(getCddTemplate('ID1'));
   this.setCapabilities(getCddTemplate('ID2'));
   this.setCapabilities(getCddTemplate('ID3'));
 
   // Use a real preview generator.
-  this.printPreview_.previewArea_.previewGenerator_ =
+  this.previewArea_.previewGenerator_ =
       new print_preview.PreviewGenerator(this.printPreview_.destinationStore_,
         this.printPreview_.printTicketStore_, this.nativeLayer_,
         this.printPreview_.documentInfo_);
 
   // Preview generator starts out with inFlightRequestId_ == -1. The id
   // increments by 1 for each startGetPreview call it makes. It should only
   // make one such call during initialization or there will be a race; see
   // crbug.com/666595
   expectEquals(
       -1,
-      this.printPreview_.previewArea_.previewGenerator_.inFlightRequestId_);
+      this.previewArea_.previewGenerator_.inFlightRequestId_);
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         expectEquals(
             0,
-            this.printPreview_.previewArea_.previewGenerator_.
+            this.previewArea_.previewGenerator_.
                 inFlightRequestId_);
         testDone();
       }.bind(this));
 });
 
 // Test that invalid settings errors disable the print preview and display
 // an error and that the preview dialog can be recovered by selecting a
 // new destination.
 TEST_F('PrintPreviewWebUITest', 'TestInvalidSettingsError', function() {
   // Setup
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
         this.setCapabilities(getCddTemplate("FooDevice"));
 
         // Manually enable the print header. This is needed since there is no
         // plugin during test, so it will be set as disabled normally.
         this.printPreview_.printHeader_.isEnabled = true;
 
         // There will be an error message in the preview area since the plugin
         // is not running. However, it should not be the invalid settings error.
@@ skipping 44 matching lines @@
         testDone();
       }.bind(this));
 });
 
 // Test the preview generator to make sure the generate draft parameter is set
 // correctly. It should be false if the only change is the page range.
 TEST_F('PrintPreviewWebUITest', 'TestGenerateDraft', function() {
   this.createPrintPreview();
 
   // Use a real preview generator.
-  this.printPreview_.previewArea_.previewGenerator_ =
+  this.previewArea_.previewGenerator_ =
       new print_preview.PreviewGenerator(this.printPreview_.destinationStore_,
           this.printPreview_.printTicketStore_, this.nativeLayer_,
           this.printPreview_.documentInfo_);
 
   this.setInitialSettings();
-  this.printPreview_.nativeLayer_.whenCalled('getInitialSettings').then(
+  this.nativeLayer_.whenCalled('getInitialSettings').then(
       function() {
         this.setLocalDestinations();
         this.setCapabilities(getCddTemplate("FooDevice"));
 
         // The first request should generate draft because there was no
         // previous print preview draft.
         expectTrue(this.generateDraft());
 
         // Change the page range - no new draft needed.
         this.printPreview_.printTicketStore_.pageRange.updateValue("2");
         expectFalse(this.generateDraft());
 
         // Change the margin type - need to regenerate again.
         this.printPreview_.printTicketStore_.marginsType.updateValue(
             print_preview.ticket_items.MarginsTypeValue.NO_MARGINS);
         expectTrue(this.generateDraft());
 
         testDone();
       }.bind(this));
 });