Eliminate use of assignments to innerHTML in File Browser

chrome/browser/resources/file_manager/playlist.html

Index: chrome/browser/resources/file_manager/playlist.html
diff --git a/chrome/browser/resources/file_manager/playlist.html b/chrome/browser/resources/file_manager/playlist.html
index 5c7ff3118436844d067367231bdd84e4f9a98226..66a191e69541c2191c3653fb9a9583fde2275cb2 100644
--- a/chrome/browser/resources/file_manager/playlist.html
+++ b/chrome/browser/resources/file_manager/playlist.html
@@ -105,7 +105,9 @@ function setPlaylistOffset(offset) {
 function updateUI() {
   var main = $('main');
   if (currentPlaylist) {
-    main.innerHTML = '';
+    while (main.firstChild) {
+      main.removeChild(main.firstChild);
+    }
     var main = $('main');
     for (var x = 0; x < currentPlaylist.length; x++) {
       var rowdiv = document.createElement('div');