Fix printing distilled pages

components/dom_distiller/core/javascript/dom_distiller_viewer.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.
 
 // This variable will be changed by iOS scripts.
 var distiller_on_ios = false;
 
 function addToPage(html) {
   var div = document.createElement('div');
   div.innerHTML = html;
@@ skipping 119 matching lines @@
  */
 function showFeedbackForm(questionText, yesText, noText) {
   // If the distiller is running on iOS, do not show the feedback form. This
   // variable is set in distiller_viewer.cc before this function is run.
   if (distiller_on_ios) return;
 
   document.getElementById('feedbackYes').innerText = yesText;
   document.getElementById('feedbackNo').innerText = noText;
   document.getElementById('feedbackQuestion').innerText = questionText;
 
-  document.getElementById('contentWrap').style.paddingBottom = '120px';
-  document.getElementById('feedbackContainer').style.display = 'block';
-  var mediaQuery = window.matchMedia("print");
-  mediaQuery.addListener(function (query) {
-    if (query.matches) {
-      document.getElementById('contentWrap').style.paddingBottom = '0px';
-      document.getElementById('feedbackContainer').style.display = 'none';
-    } else {
-      document.getElementById('contentWrap').style.paddingBottom = '120px';
-      document.getElementById('feedbackContainer').style.display = 'block';
-    }
-  });
+  document.getElementById('feedbackContainer').classList.remove("hidden");
 }
 
 /**
  * Send feedback about this distilled article.
  * @param good True if the feedback was positive, false if negative.
  */
 function sendFeedback(good) {
   var img = document.createElement('img');
   if (good) {
     img.src = '/feedbackgood';
@@ skipping 18 matching lines @@
   document.getElementById('feedbackContainer').className += " fadeOut";
 }, true);
 
 document.getElementById('feedbackNo').addEventListener('click', function(e) {
   sendFeedback(false);
   document.getElementById('feedbackContainer').className += " fadeOut";
 }, true);
 
 document.getElementById('feedbackContainer').addEventListener('animationend',
     function(e) {
-      document.getElementById('feedbackContainer').style.display = 'none';
-      // Close the gap where the feedback form was.
-      var contentWrap = document.getElementById('contentWrap');
-      contentWrap.style.transition = '0.5s';
-      contentWrap.style.paddingBottom = '0px';
+      var feedbackContainer = document.getElementById('feedbackContainer');
+      feedbackContainer.classList.remove("fadeOut");
+      feedbackContainer.className += " hidden";
+      document.getElementById('contentWrap').style.paddingBottom = '120px';
+      setTimeout(function() {
+        // Close the gap where the feedback form was.
+        var contentWrap = document.getElementById('contentWrap');
+        contentWrap.style.transition = '0.5s';
+        contentWrap.style.paddingBottom = '';
+      }, 0);
     }, true);
 
 document.getElementById('contentWrap').addEventListener('transitionend',
     function(e) {
       var contentWrap = document.getElementById('contentWrap');
       contentWrap.style.transition = '';
     }, true);
 
 var pincher = (function() {
   'use strict';
@@ skipping 188 matching lines @@
         shiftY: shiftY
       };
     }
   };
 }());
 
 window.addEventListener('touchstart', pincher.handleTouchStart, false);
 window.addEventListener('touchmove', pincher.handleTouchMove, false);
 window.addEventListener('touchend', pincher.handleTouchEnd, false);
 window.addEventListener('touchcancel', pincher.handleTouchCancel, false);