Fix vertical alignment in the Files.app's list.

This patch fixes the alignment so the text in the rows is properly vertically centered.

TBR=yoshiki@chromium.org
TEST=Run Files.app, select an item.
BUG=none

Review URL: https://chromiumcodereview.appspot.com/16168003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@202818 0039d316-1c4b-4281-b951-d872f2087c98

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

@@ -1753,6 +1753,7 @@ body[new-ui] #list-container list:focus li.table-row[selected] .file-checkbox {
 body[new-ui] #list-container li.table-row {
   border-style: none;
   height: 29px;
+  line-height: 29px;
   margin: 0;
   padding-bottom: 0;
   padding-top: 0;