Gallery.app: Remove old Gallery files.

ui/file_manager/file_manager/foreground/css/file_manager.css

Index: ui/file_manager/file_manager/foreground/css/file_manager.css
diff --git a/ui/file_manager/file_manager/foreground/css/file_manager.css b/ui/file_manager/file_manager/foreground/css/file_manager.css
index c0a23d63e9ec9f3b349c35c27ac0ac7c7fadc30d..14b6a4177a76e76ceb24a38e4b8655c858b8dd03 100644
--- a/ui/file_manager/file_manager/foreground/css/file_manager.css
+++ b/ui/file_manager/file_manager/foreground/css/file_manager.css
@@ -1296,24 +1296,6 @@ body[drive] .dialog-container[connection='offline'] .dim-offline {
   opacity: 0.4;
 }
 
-/* Overlay pane covering the entire file manager window (e.g. image editor)*/
-.overlay-pane {
-  -webkit-app-region: no-drag;
-  border: none;
-  height: 100%;
-  left: 0;
-  position: absolute;
-  top: 0;
-  width: 100%;
-  z-index: 1000;  /* Must be above all elements in file manager container. */
-}
-
-/* When the overlay pane is visible hide everything else so that the tab order
-  is not confused. */
-body[overlay-visible] > :not(.overlay-pane) {
-  display: none !important;
-}
-
 /* Invisible container for elements representing files while dragging. */
 #drag-container {
   left: 0;
@@ -1687,17 +1669,6 @@ menuitem#thumbnail-view[lead]:not([disabled]) {
     url('../images/files/ui/2x/button_mosaic_view_white.png') 2x);
 }
 
-#iframe-drag-area {
-  -webkit-app-region: drag;
-  height: 48px;
-  left: 64px;
-  position: absolute;
-  right: 134px;
-  top: 0;
-  width: auto;
-  z-index: 101;
-}
-
 #suggest-app-dialog {
   background-color: #fff;
   border: 0;