Selecting first item in the directory.

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

Index: chrome/browser/resources/file_manager/js/file_manager.js
diff --git a/chrome/browser/resources/file_manager/js/file_manager.js b/chrome/browser/resources/file_manager/js/file_manager.js
index bd5e5c03a9d89a004718514363bbff4928c52c5c..d44aa829542f0b376a9a7daaae47bb5088e52d89 100644
--- a/chrome/browser/resources/file_manager/js/file_manager.js
+++ b/chrome/browser/resources/file_manager/js/file_manager.js
@@ -2509,14 +2509,20 @@ FileManager.prototype = {
   FileManager.prototype.selectEntry = function(name) {
     for (var i = 0; i < this.dataModel_.length; i++) {
       if (this.dataModel_.item(i).name == name) {
-        this.currentList_.selectionModel.selectedIndex = i;
-        this.currentList_.scrollIndexIntoView(i);
-        this.currentList_.focus();
+        this.selectIndex(i);
         return;
       }
     }
   };
 
+  FileManager.prototype.selectIndex = function(index) {
+    this.currentList_.focus();
+    if (index >= this.dataModel_.length)
+      return;
+    this.currentList_.selectionModel.selectedIndex = index;
+    this.currentList_.scrollIndexIntoView(index);
+  };
+
   /**
    * Add the file/directory with given name to the current selection.
    *
@@ -2649,6 +2655,8 @@ FileManager.prototype = {
       // Directory didn't actually change.
       if (opt_selectedEntry)
         this.selectEntry(opt_selectedEntry);
+      else
+        this.selectIndex(0);
       return;
     }
 
@@ -3066,6 +3074,8 @@ FileManager.prototype = {
     this.rescanDirectory_(function() {
         if (event.selectedEntry)
           self.selectEntry(event.selectedEntry);
+        else
+          self.selectIndex(0);
         if (event.opt_callback) {
           try {
             event.opt_callback();