Made the visibility of Buttom bar updated at the end of drag selection.

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 fb53dd0d45ff235e852ecf44ada4819602b64fdb..ee405b0976f064906eb6b358c64a2c418965bab6 100644
--- a/chrome/browser/resources/file_manager/js/file_manager.js
+++ b/chrome/browser/resources/file_manager/js/file_manager.js
@@ -1163,6 +1163,9 @@ var BOTTOM_MARGIN_FOR_PREVIEW_PANEL_PX = 52;
     var dragEndBound = this.onDragEnd_.bind(this);
     this.table_.list.addEventListener('dragend', dragEndBound);
     this.grid_.addEventListener('dragend', dragEndBound);
+    // This event is published by DragSelector because drag end event is not
+    // published at the end of drag selection.
+    this.table_.list.addEventListener('dragselectionend', dragEndBound);

[yoshiki, 2013/06/20 03:11:25]

The grid should be handled as well, right?

[hirono, 2013/06/20 03:55:03]

It is not needed yet.
Currently the grid view does not support the drag selection.
I'm planning on supporting the drag selection on the grid view for M30,
and at that time, we should handle the dragselectionend event.

 
     // TODO(mtomasz, yoshiki): Create sidebar earlier, and here just attach
     // the directory model.