Enable looping of videos in Files.app.

chrome/browser/resources/file_manager/js/media/video_player.js

 // 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.
 
 'use strict';
 
 /**
  * Display error message.
  * @param {string} message Message id.
  */
@@ skipping 32 matching lines @@
  * @param {Element} playerContainer Main container.
  * @param {Element} videoContainer Container for the video element.
  * @param {Element} controlsContainer Container for video controls.
  * @constructor
  */
 function FullWindowVideoControls(
     playerContainer, videoContainer, controlsContainer) {
   VideoControls.call(this,
       controlsContainer,
       onPlaybackError,
+      loadTimeData.getString.bind(loadTimeData),
       this.toggleFullScreen_.bind(this),
       videoContainer);
 
   this.playerContainer_ = playerContainer;
 
   this.updateStyle();
   window.addEventListener('resize', this.updateStyle.bind(this));
 
   document.addEventListener('keydown', function(e) {
     if (e.keyIdentifier == 'U+0020') {  // Space
       this.togglePlayStateWithFeedback();
       e.preventDefault();
     }
     if (e.keyIdentifier == 'U+001B') {  // Escape
       util.toggleFullScreen(
           chrome.app.window.current(),
           false);  // Leave the full screen mode.
       e.preventDefault();
     }
   }.bind(this));
 
-  videoContainer.addEventListener('click',
-      this.togglePlayStateWithFeedback.bind(this));
+  videoContainer.addEventListener('click', function(e) {
+  if (event.ctrlKey) {
+    this.toggleLoopedModeWithFeedback(true);
+    if (!this.isPlaying())
+      this.togglePlayStateWithFeedback();
+  } else {
+    this.togglePlayStateWithFeedback();
+  }
+  }.bind(this));
 
   this.inactivityWatcher_ = new MouseInactivityWatcher(playerContainer);
   this.__defineGetter__('inactivityWatcher', function() {
     return this.inactivityWatcher_;
   });
 
   this.inactivityWatcher_.check();
 }
 
 FullWindowVideoControls.prototype = { __proto__: VideoControls.prototype };
@@ skipping 175 matching lines @@
     webkitResolveLocalFileSystemURL(src,
       function(entry) {
         var video = document.querySelector('video');
         if (video.src != src) return;
         selectedItemFilesystemPath = entry.fullPath;
       });
   });
 }
 
 util.addPageLoadHandler(loadVideoPlayer);