[Cleanup] Files.app: adds '@private' annotations to JSdoc of private methods.

chrome/browser/resources/file_manager/js/metadata/function_sequence.js

Index: chrome/browser/resources/file_manager/js/metadata/function_sequence.js
diff --git a/chrome/browser/resources/file_manager/js/metadata/function_sequence.js b/chrome/browser/resources/file_manager/js/metadata/function_sequence.js
index 0a991656bc2c47e3ca38c5969cc92749bb86cb2c..cb34bec768183888dceab7cf1e3f92c6f858f06e 100644
--- a/chrome/browser/resources/file_manager/js/metadata/function_sequence.js
+++ b/chrome/browser/resources/file_manager/js/metadata/function_sequence.js
@@ -50,6 +50,7 @@ FunctionSequence.prototype.setFailureCallback = function(failureCallback) {
  * Error handling function, which traces current error step, stops sequence
  * advancing and fires error callback.
  *
+ * @private
  * @param err error message.
  */
 FunctionSequence.prototype.onError_ = function(err) {
@@ -66,6 +67,7 @@ FunctionSequence.prototype.onError_ = function(err) {
  * This method should not be used externally. In external
  * cases should be used finish function, which is defined in closure and thus
  * has access to internal variables of functionsequence.
+ * @private
  */
 FunctionSequence.prototype.finish_ = function() {
   if (!this.failed_ && this.currentStepIdx_ < this.steps_.length) {
@@ -79,6 +81,7 @@ FunctionSequence.prototype.finish_ = function() {
  * This method should not be used externally. In external
  * cases should be used nextStep function, which is defined in closure and thus
  * has access to internal variables of functionsequence.
+ * @private
  */
 FunctionSequence.prototype.nextStep_ = function(var_args) {
   if (this.failed_) {
@@ -116,8 +119,8 @@ FunctionSequence.prototype.start = function(var_args) {
 
 /**
  * Add Function object mimics to FunctionSequence
+ * @private
  */
 FunctionSequence.prototype.apply_ = function(obj, args) {
   this.start.apply(this, args);
 };
-