Files.app: Update design of menus.

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

Index: ui/file_manager/file_manager/foreground/css/common.css
diff --git a/ui/file_manager/file_manager/foreground/css/common.css b/ui/file_manager/file_manager/foreground/css/common.css
index 5db5a97d337aacfee13aa023d77097fdb8f1bf78..2cdfc3338cefa44b439eb493c1292b22c4b005be 100644
--- a/ui/file_manager/file_manager/foreground/css/common.css
+++ b/ui/file_manager/file_manager/foreground/css/common.css
@@ -125,7 +125,7 @@ cr-menu.chrome-menu {
   color: rgb(51, 51, 51);
   outline: none;
   overflow: hidden;
-  padding: 4px 0;
+  padding: 8px 0;
   transition: opacity 200ms ease-in;
   z-index: 600;  /* Must be below the overlay pane (1000). */
 }
@@ -147,7 +147,7 @@ cr-menu.chrome-menu > :not(hr) {
   background-repeat: no-repeat;
   line-height: 32px;
   outline: none;
-  padding: 0 12px;
+  padding: 0 8px;
 }
 
 html[dir='rtl'] cr-menu.chrome-menu > :not(hr) {
@@ -189,13 +189,12 @@ html[dir='rtl'] cr-menu.chrome-menu > .menuitem-button.right {
 }
 
 cr-menu.chrome-menu > cr-menu-item[disabled] {
-  color: rgb(219, 219, 219);
+  color: rgba(51, 51, 51, 0.20);
 }
 
 cr-menu.chrome-menu > cr-menu-item:not([disabled])[selected],
 cr-menu.chrome-menu > cr-menu-item:not([disabled]):active {
-  background-color: rgb(33, 150, 243);
-  color: white;
+  background-color: rgba(0, 0, 0, 0.08);
 }
 
 cr-menu.chrome-menu > hr {
@@ -218,11 +217,6 @@ cr-menu.chrome-menu > [checked]::before {
   display: none;
 }
 
-cr-menu[showShortcuts] >
-cr-menu-item[shortcutText][selected]:not([disabled])::after {
-  color: white;
-}
-
 /**
  * Ok/Cancel style buttons
  * Height: 31px (content:21px + border:5px * 2)