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chrome/browser/resources/file_manager/js/async_util.js

Index: chrome/browser/resources/file_manager/js/async_util.js
diff --git a/chrome/browser/resources/file_manager/js/async_util.js b/chrome/browser/resources/file_manager/js/async_util.js
index 9b7639b5f40de0131bb58e8aeb9845b8165f7481..f74a9d493810a66f18f1bb0705665d0dfe80ad0e 100644
--- a/chrome/browser/resources/file_manager/js/async_util.js
+++ b/chrome/browser/resources/file_manager/js/async_util.js
@@ -53,6 +53,13 @@ AsyncUtil.Queue = function() {
 };
 
 /**
+ * @return {boolean} True when a task is running, otherwise false.
+ */
+AsyncUtil.Queue.prototype.isRunning = function() {
+  return this.running_;
+};
+
+/**
  * Enqueues a closure to be executed.
  * @param {function(function())} closure Closure with a completion callback to
  *     be executed.
@@ -80,6 +87,14 @@ AsyncUtil.Queue.prototype.continue_ = function() {
 };
 
 /**
+ * Cancels all pending tasks. Note that this does NOT cancel the task running
+ * currently.
+ */
+AsyncUtil.Queue.prototype.cancel = function() {
+  this.closures_ = [];
+};
+
+/**
  * Creates a class for executing several asynchronous closures in a group in
  * a dependency order.
  *