Gallery: Leave edit mode on starting print preview.

ui/file_manager/gallery/js/slide_mode.js

 // Copyright 2014 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.
 
 /**
  * Slide mode displays a single image and has a set of controls to navigate
  * between the images and to edit an image.
  *
  * @param {!HTMLElement} container Main container element.
  * @param {!HTMLElement} content Content container element.
@@ skipping 1682 matching lines @@
   var requests = {};
   requests[SlideMode.OVERWRITE_BUBBLE_KEY] = value;
   chrome.storage.local.set(requests);
 };
 
 /**
  * Prints the current item.
  * @private
  */
 SlideMode.prototype.print_ = function() {
+  this.stopEditing_();
   cr.dispatchSimpleEvent(this, 'useraction');
   window.print();
 };
 
 /**
  * Shows progress bar.
  * @param {!GalleryItem} item
  * @private
  */
 SlideMode.prototype.showProgressBar_ = function(item) {
@@ skipping 423 matching lines @@
 /**
  * Handles mouse up events.
  * @param {!Event} event Wheel event.
  * @private
  */
 TouchHandler.prototype.onMouseUp_ = function(event) {
   if (event.button !== 0)
     return;
   this.clickStarted_ = false;
 };