Enable looping of videos in Files.app.

chrome/browser/resources/file_manager/css/media_controls.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. */
 
 .media-button {
   height: 28px;
   position: relative;
   width: 26px;
 }
 
@@ skipping 518 matching lines @@
   margin-left: -16px;
   margin-top: -16px;
   opacity: 0;
   pointer-events: none;
   position: absolute;
   top: 50%;
   width: 32px;
   z-index: 2;
 }
 
+.text-banner {
+  background-color: black;
+  border-radius: 10px;
+  color: white;
+  font-size: 18px;
+  left: 50%;
+  margin-left: -250px;

[hirono, 2013/06/20 09:20:46]

Is it OK for RTL mode?

[mtomasz, 2013/06/20 09:31:59]

It is fine, just centering. I've just double checked. However, the controls in
the video player are completely broken in RTL. We have to fix all RTL stuff in
Files.app some day. There is a bug for it.

+  opacity: 0;
+  padding: 10px;
+  pointer-events: none;
+  position: absolute;
+  text-align: center;
+  text-shadow: 0 0 10px black;
+  top: 20%;
+  width: 500px;
+  z-index: 2;
+}
+
+.text-banner[visible] {
+  -webkit-animation: text-banner-blowup 3000ms;
+}
+
 .playback-state-icon[state] {
   -webkit-animation: blowup 500ms;
 }
 
 @-webkit-keyframes blowup {
   from {
     opacity: 1;
   }
   to {
     -webkit-transform: scale(3);
     opacity: 0;
   }
 }
 
+@-webkit-keyframes text-banner-blowup {
+  from {
+    -webkit-transform: scale(0.5);
+    opacity: 0;
+  }
+  20% {
+    -webkit-transform: scale(1);
+    opacity: 0.75;
+  }
+  80% {
+    -webkit-transform: scale(1);
+    opacity: 0.75;
+  }
+  to {
+    -webkit-transform: scale(3);
+    opacity: 0;
+  }
+}
+
 .playback-state-icon[state='play'] {
   background-image: -webkit-image-set(
     url('../images/media/media_play.png') 1x,
     url('../images/media/2x/media_play.png') 2x);
 }
 
 .playback-state-icon[state='pause'] {
   background-image: -webkit-image-set(
     url('../images/media/media_pause.png') 1x,
     url('../images/media/2x/media_pause.png') 2x);
 }