print_preview: remove padding above button strip on destinations dialog.

chrome/browser/resources/print_preview/search/destination_search.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';
 
   /**
    * Component used for searching for a print destination.
    * This is a modal dialog that allows the user to search and select a
@@ skipping 105 matching lines @@
 
     // Dispatched when the user requests to manage their local destinations.
     MANAGE_LOCAL_DESTINATIONS:
         'print_preview.DestinationSearch.MANAGE_LOCAL_DESTINATIONS',
 
     // Dispatched when the user requests to sign-in to their Google account.
     SIGN_IN: 'print_preview.DestinationSearch.SIGN_IN'
   };
 
   /**
-   * Padding at the bottom of a destination list in pixels.
-   * @type {number}
-   * @const
-   * @private
-   */
-  DestinationSearch.LIST_BOTTOM_PADDING_ = 18;
-
-  /**
    * Number of unregistered destinations that may be promoted to the top.
    * @type {number}
    * @const
    * @private
    */
   DestinationSearch.MAX_PROMOTED_UNREGISTERED_PRINTERS_ = 2;
 
   DestinationSearch.prototype = {
     __proto__: print_preview.Overlay.prototype,
 
@@ skipping 239 matching lines @@
       }
 
       var hasCloudList = getIsVisible(this.getChildElement('.cloud-list'));
       var lists = [this.recentList_, this.localList_];
       if (hasCloudList) {
         lists.push(this.cloudList_);
       }
 
       var getListsTotalHeight = function(lists, counts) {
         return lists.reduce(function(sum, list, index) {
+          var container = list.getContainerElement();
           return sum + list.getEstimatedHeightInPixels(counts[index]) +
-              DestinationSearch.LIST_BOTTOM_PADDING_;
+              parseInt(window.getComputedStyle(container).paddingBottom, 10);
         }, 0);
       };
       var getCounts = function(lists, count) {
         return lists.map(function(list) { return count; });
       };
 
       var availableHeight = this.getAvailableListsHeight_();
       var listsEl = this.getChildElement('.lists');
       listsEl.style.maxHeight = availableHeight + 'px';
 
@@ skipping 290 matching lines @@
     onWindowResize_: function() {
       this.reflowLists_();
     }
   };
 
   // Export
   return {
     DestinationSearch: DestinationSearch
   };
 });