Quick View: Format metadata.

ui/file_manager/file_manager/foreground/js/ui/file_metadata_formatter.js

Index: ui/file_manager/file_manager/foreground/js/ui/file_metadata_formatter.js
diff --git a/ui/file_manager/file_manager/foreground/js/ui/file_metadata_formatter.js b/ui/file_manager/file_manager/foreground/js/ui/file_metadata_formatter.js
index 61703d0defad00420b0de234b195124a6da1d90f..21e97921f0c1bf64bb73743c131820342e4ae825 100644
--- a/ui/file_manager/file_manager/foreground/js/ui/file_metadata_formatter.js
+++ b/ui/file_manager/file_manager/foreground/js/ui/file_metadata_formatter.js
@@ -5,12 +5,18 @@
 /**
  * Formatter class for file metadatas.
  * @constructor
+ * @extends {cr.EventTarget}
  */
 function FileMetadataFormatter() {
   this.setDateTimeFormat(true);
 }
 
 /**
+ * FileMetadataFormatter extends cr.EventTarget.
+ */
+FileMetadataFormatter.prototype.__proto__ = cr.EventTarget.prototype;
+
+/**
  * Sets date and time format.
  * @param {boolean} use12hourClock True if 12 hours clock, False if 24 hours.
  */
@@ -24,6 +30,7 @@ FileMetadataFormatter.prototype.setDateTimeFormat = function(use12hourClock) {
         year: 'numeric', month: 'short', day: 'numeric',
         hour: 'numeric', minute: 'numeric', hour12: use12hourClock
       });
+  cr.dispatchSimpleEvent(this, 'date-time-format-changed');
 };
 
 /**