[Cleanup] Files.app: Add missing semi-colons after function declaration.

chrome/browser/resources/file_manager/js/mock_chrome.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.
 
 function MockEventSource() {
   this.listeners_ = [];
 }
 
 /**
  * Add a listener.
@@ skipping 317 matching lines @@
         break;
       }
     }
     var notify = function(status) {
       chrome.fileBrowserPrivate.onMountCompleted.notify({
         eventType: 'unmount',
         status: status,
         mountPath: mountPath,
         sourcePath: sourceUrl
       });
-    }
+    };
 
     window.webkitResolveLocalFileSystemURL(sourceUrl, function(entry) {
       util.removeFileOrDirectory(
           entry,
           util.flog('Deleted a mock mount at ' + entry.fullPath,
               notify.bind(null, 'success'),
           util.flog('Error deleting a mock mount at' + entry.fullPath,
               notify)));
     });
   },
@@ skipping 525 matching lines @@
   playAudio: function(urls, position) {
     this.audioPlaylist_ = { items: urls, position: position };
     this.onPlaylistChanged.notify();
   },
 
   playVideo: function(url) {
     this.videoUrl_ = url;
     this.onVideoLaunched.notify();
   }
 };