Replace webkit-filter with filter

Bug: 993292
Change-Id: I77b8cdc58812f97a69741b0d7bf9364a7ee0f4c3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1833010
Commit-Queue: Jeremie Boulic <jboulic@chromium.org>
Commit-Queue: Noel Gordon <noel@chromium.org>
Reviewed-by: Noel Gordon <noel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#701425}

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

@@ -487,7 +487,7 @@ tree .tree-item > .tree-item > .tree-row >
 .tree-row:not([selected]) [volume-type-icon='provided'] {
   /* Third-party icons are not provided with both an active and a non-active
   version. This filter defines the non-active version of a provided icon. */
-  -webkit-filter: contrast(0) brightness(0.7143);
+  filter: contrast(0) brightness(0.7143);
 }
 
 cr-menu-item[command='#install-new-extension'] .icon.start {