Files.app: Update design of menus.

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

Index: ui/file_manager/file_manager/foreground/css/menu.css
diff --git a/ui/file_manager/file_manager/foreground/css/menu.css b/ui/file_manager/file_manager/foreground/css/menu.css
index b4776c6f91a7bf1ee3661ce63cce197fea1f4d43..74501da6edd35474c2774a6224cfa76fe2df868d 100644
--- a/ui/file_manager/file_manager/foreground/css/menu.css
+++ b/ui/file_manager/file_manager/foreground/css/menu.css
@@ -32,7 +32,7 @@ cr-menu > [hidden] {
 
 cr-menu > [shortcutText]::after {
   -webkit-padding-start: 30px;
-  color: rgba(51, 51, 51, 0.5);
+  color: rgb(100, 100, 100);
   content: attr(shortcutText);
   float: right;
 }
@@ -44,7 +44,7 @@ html[dir='rtl'] cr-menu > [shortcutText]::after {
 /* Icon on the left of the item label for cr.ui.ProvidersMenuItem.
    TODO(mtomasz): Upstream to cr.ui.MenuItem. */
 cr-menu-item.providers-menu-item .menu-icon {
-  -webkit-margin-end: 12px;
+  -webkit-margin-end: 8px;
   background: no-repeat 0 center;
   display: inline-block;
   float: left;