[ntp4] Make bookmark tiles smaller.

chrome/browser/resources/ntp4/bookmarks_page.js

 // Copyright (c) 2011 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('ntp4', function() {
   'use strict';
 
   var localStrings = new LocalStrings;
 
   /**
@@ skipping 185 matching lines @@
 
   var TilePage = ntp4.TilePage;
 
   var bookmarksPageGridValues = {
     // The fewest tiles we will show in a row.
     minColCount: 3,
     // The most tiles we will show in a row.
     maxColCount: 6,
 
     // The smallest a tile can be.
-    minTileWidth: 150,
+    minTileWidth: 64,
     // The biggest a tile can be.
-    maxTileWidth: 150,
+    maxTileWidth: 96,
   };
   TilePage.initGridValues(bookmarksPageGridValues);
 
   /**
    * Calculates the height for a bookmarks tile for a given width. The size
    * is based on a desired size of 96x72 ratio.
    * @return {number} The height.
    */
   function heightForWidth(width) {
     // The 2s are for borders, the 31 is for the title.
@@ skipping 374 matching lines @@
       tile.stripeColor = color;
   }
 
   return {
     BookmarksPage: BookmarksPage,
     initBookmarkChevron: initBookmarkChevron,
   };
 });
 
 window.addEventListener('load', ntp4.initBookmarkChevron);