Random clean up around Chrome OS file manager code.

ui/file_manager/file_manager/foreground/js/directory_model.js

Index: ui/file_manager/file_manager/foreground/js/directory_model.js
diff --git a/ui/file_manager/file_manager/foreground/js/directory_model.js b/ui/file_manager/file_manager/foreground/js/directory_model.js
index addab3f2b0957fc1565772451db2c639327c8fa3..5323f9b4656a0722a3c3c3bff32771227609b0ec 100644
--- a/ui/file_manager/file_manager/foreground/js/directory_model.js
+++ b/ui/file_manager/file_manager/foreground/js/directory_model.js
@@ -276,7 +276,7 @@ DirectoryModel.prototype.setLeadEntry_ = function(value) {
 
 /**
  * Schedule rescan with short delay.
- * @param {boolean} refresh True to refrech metadata, or false to use cached
+ * @param {boolean} refresh True to refresh metadata, or false to use cached
  *     one.
  */
 DirectoryModel.prototype.rescanSoon = function(refresh) {
@@ -286,7 +286,7 @@ DirectoryModel.prototype.rescanSoon = function(refresh) {
 /**
  * Schedule rescan with delay. Designed to handle directory change
  * notification.
- * @param {boolean} refresh True to refrech metadata, or false to use cached
+ * @param {boolean} refresh True to refresh metadata, or false to use cached
  *     one.
  */
 DirectoryModel.prototype.rescanLater = function(refresh) {
@@ -298,7 +298,7 @@ DirectoryModel.prototype.rescanLater = function(refresh) {
  * nothing. File operation may cause a few notifications what should cause
  * a single refresh.
  * @param {number} delay Delay in ms after which the rescan will be performed.
- * @param {boolean} refresh True to refrech metadata, or false to use cached
+ * @param {boolean} refresh True to refresh metadata, or false to use cached
  *     one.
  */
 DirectoryModel.prototype.scheduleRescan = function(delay, refresh) {
@@ -338,7 +338,7 @@ DirectoryModel.prototype.clearRescanTimeout_ = function() {
  *
  * This should be to scan the contents of current directory (or search).
  *
- * @param {boolean} refresh True to refrech metadata, or false to use cached
+ * @param {boolean} refresh True to refresh metadata, or false to use cached
  *     one.
  */
 DirectoryModel.prototype.rescan = function(refresh) {
@@ -449,7 +449,7 @@ DirectoryModel.prototype.clearAndScan_ = function(newDirContents,
  *
  * @param {DirectoryContents} dirContents DirectoryContents instance on which
  *     the scan will be run.
- * @param {boolean} refresh True to refrech metadata, or false to use cached
+ * @param {boolean} refresh True to refresh metadata, or false to use cached
  *     one.
  * @param {function()} successCallback Callback on success.
  * @param {function()} failureCallback Callback on failure.
@@ -780,7 +780,7 @@ DirectoryModel.prototype.changeDirectoryEntry = function(
 };
 
 /**
- * Activates the given directry.
+ * Activates the given directory.
  * This method:
  *  - Changes the current directory, if the given directory is the current
  *    directory.