[File Manager] Polish the file count displayed when fetching metadata feeds from gdata server

chrome/browser/resources/file_manager/css/file_manager.css

 /* 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. */
 
 html.col-resize * {
   cursor: col-resize !important;
 }
 
 /* Outer frame of the dialog. */
 body {
@@ skipping 1110 matching lines @@
   opacity: 1;
 }
 
 /* Message panel for unmounted GData */
 .dialog-container:not([unmounted]) .dialog-body > div.unmounted-panel,
 .dialog-container[unmounted] .dialog-body > div:not(.unmounted-panel) {
   display: none;
 }
 
 div.unmounted-panel {
+  color: #333;
   padding-left: 50px;
   padding-top: 20px;
 }
 
 div.unmounted-panel > * {
   height: 22px;
   margin-bottom: 10px;
 }
 
 div.unmounted-panel > div {
   -webkit-box-align: center;
   -webkit-box-orient: horizontal;
   -webkit-box-pack: start;
   display: -webkit-box;
 }
 
 .unmounted-panel > .gdata.loading {
   position: relative;
 }
 
 .unmounted-panel > .gdata.loading .spinner-box {
   bottom: 0;
   position: absolute;
   right: 100%;
   top: 0;
   width: 40px;
 }
 
+.unmounted-panel > .gdata.progress {
+  color: #999;
+  margin-top: -10px;
+}
+
 .unmounted-panel:not([loading]) > .gdata.loading,
 .unmounted-panel:not([loading]) > .gdata.progress,
 .unmounted-panel:not([error]) > .gdata.error,
 .unmounted-panel:not([retry]) > .gdata.retry,
 .unmounted-panel:not([retry]) > .gdata.learn-more {
   display: none;
 }
 
 .plain-link {
   color: rgb(17, 85, 204);
@@ skipping 101 matching lines @@
   100% { opacity: 1; }
 }
 
 :hover > .tooltip {
   -webkit-animation-duration: 800ms;
   -webkit-animation-iteration-count: 1;
   -webkit-animation-name: tooltip-show;
   -webkit-animation-timing-function: linear;
   opacity: 1;
 }