PrintPreview: Hide/Show the header footer option based on print frame margins.

chrome/browser/resources/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.
 
 // 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 108 matching lines @@
 // Names of all the custom events used.
 var customEvents = {
   // Fired when the mouse moves while a margin line is being dragged.
   MARGIN_LINE_DRAG: 'marginLineDrag',
   // Fired when a mousedown event occurs on a margin line.
   MARGIN_LINE_MOUSE_DOWN: 'marginLineMouseDown',
   // Fired when a margin textbox gains focus.
   MARGIN_TEXTBOX_FOCUSED: 'marginTextboxFocused',
   // Fired when a new preview might be needed because of margin changes.
   MARGINS_MAY_HAVE_CHANGED: 'marginsMayHaveChanged',
-  // Fired when the margins selection in the dropdown changes.
-  MARGINS_SELECTION_CHANGED: 'marginsSelectionChanged',
   // Fired when a pdf generation related error occurs.
   PDF_GENERATION_ERROR: 'PDFGenerationError',
   // Fired once the first page of the pdf document is loaded in the plugin.
   PDF_LOADED: 'PDFLoaded',
   // Fired when the selected printer capabilities change.
   PRINTER_CAPABILITIES_UPDATED: 'printerCapabilitiesUpdated',
   // Fired when the print button needs to be updated.
   UPDATE_PRINT_BUTTON: 'updatePrintButton',
   // Fired when the print summary needs to be updated.
   UPDATE_SUMMARY: 'updateSummary'
@@ skipping 724 matching lines @@
     return;
 
   cr.dispatchSimpleEvent(document, customEvents.UPDATE_SUMMARY);
 }
 
 /**
  * @param {printing::PageSizeMargins} pageLayout The default layout of the page
  *     in points.
  * @param {boolean} hasCustomPageSizeStyle Indicates whether the previewed
  *      document has a custom page size style.
+ * @param {boolean} headerFooterApplies Indicates whether the header
+ *     footer is applicable for the given settings.
  */
-function onDidGetDefaultPageLayout(pageLayout, hasCustomPageSizeStyle) {
+function onDidGetDefaultPageLayout(pageLayout,
+                                   hasCustomPageSizeStyle,
+                                   headerFooterApplies) {
   hasPageSizeStyle = hasCustomPageSizeStyle;
   marginSettings.currentDefaultPageLayout = new print_preview.PageLayout(
       pageLayout.contentWidth,
       pageLayout.contentHeight,
       pageLayout.marginLeft,
       pageLayout.marginTop,
       pageLayout.marginRight,
       pageLayout.marginBottom);
+ headerFooterSettings.setVisible(headerFooterApplies);
 }
 
 /**
  * This function sends a request to hide the overlay layer only if there is no
  * pending print document request and we are not waiting for the print ready
  * metafile.
  */
 function checkAndHideOverlayLayerIfValid() {
   var selectedPrinter = getSelectedPrinterName();
   var printToDialog = selectedPrinter == PRINT_TO_PDF ||
@@ skipping 307 matching lines @@
 <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"/>
 <include src="margin_textbox.js"/>
 <include src="margin_utils.js"/>
 <include src="margins_ui.js"/>
 <include src="margins_ui_pair.js"/>
 <include src="preview_area.js"/>