Clean-up: Change chrome/browser's CSS time units from s to ms.

chrome/browser/resources/ntp4/tile_page.css

 /* 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.
  */
 
 .tile-page {
   display: -webkit-box;
   height: 100%;
   position: relative;
   width: 100%;
@@ skipping 60 matching lines @@
 }
 
 .tile.dragging {
   opacity: 0;
 }
 
 .tile.drag-representation {
   pointer-events: none;
   position: fixed;
   z-index: 3;
-  -webkit-transition: opacity 0.2s;
+  -webkit-transition: opacity 200ms;
 }
 
 .tile.drag-representation.placing > * {
   -webkit-transition: -webkit-transform 200ms;
 }
 
 /* When a drag finishes while we're not showing the page where the tile
  * belongs, the tile shrinks to a dot. */
 .tile.drag-representation.dropped-on-other-page > * {
    -webkit-transform: scale(0) rotate(0);
@@ skipping 25 matching lines @@
   60% {
     -webkit-transform: scale(1.2, 1.2);
   }
 
   100% {
     -webkit-transform: scale(1, 1);
   }
 }
 
 .tile > .new-tile-contents {
-  -webkit-animation: bounce 0.5s ease-in-out;
+  -webkit-animation: bounce 500ms ease-in-out;
 }
 
 @-webkit-keyframes blipout {
   0% {
     -webkit-transform: scale(1, 1);
   }
 
   60% {
     opacity: 1;
     -webkit-animation-timing-function: ease-in;
     -webkit-transform: scale(1.3, 0.02);
   }
 
   90% {
     opacity: 0.7;
     -webkit-animation-timing-function: default;
     -webkit-transform: scale(0.3, 0.02);
   }
 
   100% {
     opacity: 0;
     -webkit-animation-timing-function: linear;
     -webkit-transform: scale(0.3, 0.02);
   }
 }
 
 .tile > .removing-tile-contents {
   pointer-events: none;
-  -webkit-animation: blipout 0.3s;
+  -webkit-animation: blipout 300ms;
 }
 
 .tile-page:not(.selected-card) * {
   -webkit-transition: none !important;
 }
 
 /** Scrollbars ****************************************************************/
 
 .tile-page-content::-webkit-scrollbar {
   width: 13px;
 }
 
 .tile-page-content::-webkit-scrollbar-button {
   display: none;
 }