Gallery.app: Remove old gallery from Files.app.

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 f34644e4ae9b57e9eabb9e47bc44ca0d098e5816..93e9e1f3e7478e7180d6ec3311517ca1fc6cc7ef 100644
--- a/ui/file_manager/file_manager/foreground/css/file_manager.css
+++ b/ui/file_manager/file_manager/foreground/css/file_manager.css
@@ -1261,24 +1261,6 @@ 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;
@@ -1605,17 +1587,6 @@ list.autocomplete-suggestions > [lead] > div.detail-text em {
   -webkit-margin-end: 50px;
 }
 
-#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;