PrintPreview: Fix printer color settings issues based on printer ppd/schema information.

chrome/browser/resources/print_preview/print_preview.js

 // Copyright (c) 2011 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.
 
 // require: cr/ui/print_preview_cloud.js
 
 var localStrings = new LocalStrings();
 
 // If useCloudPrint is true we attempt to connect to cloud print
 // and populate the list of printers with cloud print printers.
@@ skipping 224 matching lines @@
              selectedValue == MANAGE_LOCAL_PRINTERS) {
     printerList.selectedIndex = lastSelectedPrinterIndex;
     chrome.send(selectedValue);
     skip_refresh = true;
   } else if (selectedValue == PRINT_TO_PDF ||
              selectedValue == PRINT_WITH_CLOUD_PRINT) {
     updateWithPrinterCapabilities({
         'disableColorOption': true,
         'setColorAsDefault': true,
         'setDuplexAsDefault': false,
-        'printerColorModelForColor': colorSettings.COLOR,
+        'printerColorModelForColor': print_preview.ColorSettings.COLOR,
         'printerDefaultDuplexValue': copiesSettings.UNKNOWN_DUPLEX_MODE,
         'disableCopiesOption': true});
   } else {
     // This message will call back to 'updateWithPrinterCapabilities'
     // function.
     chrome.send('getPrinterCapabilities', [selectedValue]);
   }
   if (!skip_refresh) {
     lastSelectedPrinterIndex = selectedIndex;
 
@@ skipping 693 matching lines @@
  */
 function createPDFPlugin(srcDataIndex) {
   var pdfViewer = $('pdf-viewer');
   var srcURL = getPageSrcURL(currentPreviewUid, srcDataIndex);
   if (pdfViewer) {
     // Need to call this before the reload(), where the plugin resets its
     // internal page count.
     pdfViewer.goToPage('0');
     pdfViewer.resetPrintPreviewUrl(srcURL);
     pdfViewer.reload();
-    pdfViewer.grayscale(colorSettings.colorMode == colorSettings.GRAY);
+    pdfViewer.grayscale(
+        colorSettings.colorMode == print_preview.ColorSettings.GRAY);
     return;
   }
 
   pdfViewer = document.createElement('embed');
   pdfViewer.setAttribute('id', 'pdf-viewer');
   pdfViewer.setAttribute('type',
                          'application/x-google-chrome-print-preview-pdf');
   pdfViewer.setAttribute('src', srcURL);
   pdfViewer.setAttribute('aria-live', 'polite');
   pdfViewer.setAttribute('aria-atomic', 'true');
@@ skipping 84 matching lines @@
 <include src="print_preview_animations.js"/>
 <include src="print_preview_cloud.js"/>
 <include src="print_preview_utils.js"/>
 <include src="print_header.js"/>
 <include src="page_settings.js"/>
 <include src="copies_settings.js"/>
 <include src="header_footer_settings.js"/>
 <include src="layout_settings.js"/>
 <include src="color_settings.js"/>
 <include src="margin_settings.js"/>