Close web contents modal dialogs on content load start

chrome/browser/resources/print_preview/native_layer.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.
 
 cr.define('print_preview', function() {
   'use strict';
 
   /**
    * An interface to the native Chromium printing system layer.
    * @constructor
@@ skipping 327 matching lines @@
       if (initialSettings['measurementSystem'] != null) {
         unitType = initialSettings['measurementSystem'];
       }
 
       var nativeInitialSettings = new print_preview.NativeInitialSettings(
           initialSettings['printAutomaticallyInKioskMode'] || false,
           numberFormatSymbols[0] || ',',
           numberFormatSymbols[1] || '.',
           unitType,
           initialSettings['previewModifiable'] || false,
-          initialSettings['initiatorTabTitle'] || '',
+          initialSettings['initiatorTitle'] || '',
           initialSettings['documentHasSelection'] || false,
           initialSettings['shouldPrintSelectionOnly'] || false,
           initialSettings['printerName'] || null,
           initialSettings['appState'] || null);
 
       var initialSettingsSetEvent = new cr.Event(
           NativeLayer.EventType.INITIAL_SETTINGS_SET);
       initialSettingsSetEvent.initialSettings = nativeInitialSettings;
       this.dispatchEvent(initialSettingsSetEvent);
     },
@@ skipping 51 matching lines @@
     },
 
     /** Reloads the printer list. */
     onReloadPrintersList_: function() {
       cr.dispatchSimpleEvent(this, NativeLayer.EventType.DESTINATIONS_RELOAD);
     },
 
     /**
      * Called from the C++ layer.
      * Take the PDF data handed to us and submit it to the cloud, closing the
-     * print preview tab once the upload is successful.
+     * print preview dialog once the upload is successful.
      * @param {string} data Data to send as the print job.
      * @private
      */
     onPrintToCloud_: function(data) {
       var printToCloudEvent = new cr.Event(
           NativeLayer.EventType.PRINT_TO_CLOUD);
       printToCloudEvent.data = data;
       this.dispatchEvent(printToCloudEvent);
     },
 
     /**
      * Called from PrintPreviewUI::OnFileSelectionCancelled to notify the print
-     * preview tab regarding the file selection cancel event.
+     * preview dialog regarding the file selection cancel event.
      * @private
      */
     onFileSelectionCancelled_: function() {
       cr.dispatchSimpleEvent(this, NativeLayer.EventType.FILE_SELECTION_CANCEL);
     },
 
     /**
      * Called from PrintPreviewUI::OnFileSelectionCompleted to notify the print
-     * preview tab regarding the file selection completed event.
+     * preview dialog regarding the file selection completed event.
      * @private
      */
     onFileSelectionCompleted_: function() {
-      // If the file selection is completed and the tab is not already closed it
-      // means that a pending print to pdf request exists.
+      // If the file selection is completed and the dialog is not already closed
+      // it means that a pending print to pdf request exists.
       cr.dispatchSimpleEvent(
           this, NativeLayer.EventType.FILE_SELECTION_COMPLETE);
     },
 
     /**
      * Display an error message when print preview fails.
      * Called from PrintPreviewMessageHandler::OnPrintPreviewFailed().
      * @private
      */
     onPrintPreviewFailed_: function() {
@@ skipping 281 matching lines @@
       return this.serializedAppStateStr_;
     }
   };
 
   // Export
   return {
     NativeInitialSettings: NativeInitialSettings,
     NativeLayer: NativeLayer
   };
 });