Merge 147143 - Makes dialog print on ENTER key press.

chrome/browser/resources/print_preview/print_header.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';
 
   /**
    * Creates a PrintHeader object. This object encapsulates all the elements
    * and logic related to the top part of the left pane in print_preview.html.
@@ skipping 51 matching lines @@
 
   PrintHeader.prototype = {
     __proto__: print_preview.Component.prototype,
 
     set isEnabled(isEnabled) {
       this.isEnabled_ = isEnabled;
       this.printButton_.disabled = !isEnabled;
       this.cancelButton_.disabled = !isEnabled;
     },
 
+    /** @param {string} message Error message to display in the print header. */
     setErrorMessage: function(message) {
       var summaryEl = this.getElement().getElementsByClassName(
           PrintHeader.Classes_.SUMMARY)[0];
       summaryEl.innerHTML = '';
       summaryEl.textContent = message;
     },
 
     /** @override */
     enterDocument: function() {
       print_preview.Component.prototype.enterDocument.call(this);
-      this.printButton_.focus();
 
       // User events
       this.tracker.add(
           this.cancelButton_, 'click', this.onCancelButtonClick_.bind(this));
       this.tracker.add(
           this.printButton_, 'click', this.onPrintButtonClick_.bind(this));
 
       // Data events.
       this.tracker.add(
           this.printTicketStore_,
@@ skipping 120 matching lines @@
      */
     onDestinationSelect_: function() {
       if (this.destinationStore_.selectedDestination.id ==
               print_preview.Destination.GooglePromotedId.SAVE_AS_PDF ||
           this.destinationStore_.selectedDestination.id ==
               print_preview.Destination.GooglePromotedId.DOCS) {
         this.printButton_.textContent = localStrings.getString('saveButton');
       } else {
         this.printButton_.textContent = localStrings.getString('printButton');
       }
+      this.printButton_.focus();
     },
 
     /**
      * Called when the print ticket has changed. Disables the print button if
      * any of the settings are invalid.
      * @private
      */
     onTicketChange_: function() {
       this.printButton_.disabled =
           !this.printTicketStore_.isTicketValid() ||
           !this.isEnabled_;
       this.updateSummary_();
+      if (document.activeElement == null ||
+          document.activeElement == document.body) {
+        this.printButton_.focus();
+      }
     }
   };
 
   // Export
   return {
     PrintHeader: PrintHeader
   };
 });