alternate ntp: tweaks and fixes for bookmark bar in ntp

chrome/browser/resources/ntp_search/tile_page.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('ntp', function() {
   'use strict';
 
   //----------------------------------------------------------------------------
   // Constants
   //----------------------------------------------------------------------------
 
   /**
-   * Bottom Panel's minimum padding bottom, which is 57 (the height of bookmark
-   * bar in detached mode as defined by chrome::kNTPBookmarkBarHeight) minus 12
-   * (top padding of a bookmark button).
+   * Bottom Panel's minimum padding bottom, which is 48 (the height of bookmark
+   * bar in detached mode as defined by kSearchNewtabBookmarkBarHeight in
+   * chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc minus 12 (top
+   * padding of a bookmark button).
    * @type {number}
    * @const
    */
-  var BOTTOM_PANEL_MIN_PADDING_BOTTOM = 45;
+  var BOTTOM_PANEL_MIN_PADDING_BOTTOM = 36;
 
   /**
    * The height required to show 2 rows of Tiles in the Bottom Panel.
    * @type {number}
    * @const
    */
   var HEIGHT_FOR_TWO_ROWS = 800;
 
   /**
    * The height required to show 1 row of Tiles with extra bottom padding.
    * @type {number}
    * @const
    */
   var HEIGHT_FOR_ONE_TALL_ROW = 700;
 
   /**
    * The height required to show the Bottom Panel.
    * @type {number}
    * @const
    */
   // TODO(pedrosimonetti): This value is related to
   // kMinContentHeightForBottomBookmarkBar defined in chrome/browser/ui/search/
   // search_ui.h.  Change that value when calulation of bottom panel changes.
-  var HEIGHT_FOR_BOTTOM_PANEL = 600;
+  var HEIGHT_FOR_BOTTOM_PANEL = 591;
 
   /**
    * The Bottom Panel width required to show 5 cols of Tiles, which is used
    * in the width computation.
    * @type {number}
    * @const
    */
   var MAX_BOTTOM_PANEL_WIDTH = 948;
 
   /**
@@ skipping 1307 matching lines @@
       tile.scrollTop;
       tile.classList.remove(className);
     }
   }
 
   return {
     Tile: Tile,
     TilePage: TilePage,
   };
 });