Remove debug condition.

chrome/browser/resources/print_preview/print_preview_animations.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.
 
 // Counter used to give webkit animations unique names.
 var animationCounter = 0;
 
 var animationEventTracker_ = new EventTracker();
 
 function addAnimation(code) {
@@ skipping 30 matching lines @@
  *     animation.
  */
 function fadeInElement(el, opt_justShow) {
   if (el.classList.contains('visible'))
     return;
   el.classList.remove('closing');
   el.hidden = false;
   el.setAttribute('aria-hidden', 'false');
   el.style.height = 'auto';
   var height = el.offsetHeight;
-  if (opt_justShow && false) {
+  if (opt_justShow) {
     el.style.height = '';
     el.style.opacity = '';
   } else {
     el.style.height = height + 'px';
     var animName = addAnimation(getFadeInAnimationCode(height));
     animationEventTracker_.add(
         el, 'webkitAnimationEnd', onFadeInAnimationEnd.bind(el), false);
     el.style.webkitAnimationName = animName;
   }
   el.classList.add('visible');
@@ skipping 120 matching lines @@
     while (el.childNodes.length > 0)
       div.appendChild(el.firstChild);
     el.appendChild(div);
   }
 
   div.className = '';
   div.classList.add('collapsible');
   for (var i = 0; i < classes.length; i++)
     div.classList.add(classes[i]);
 }