Revert 60997 - o Add user customizable launch type for apps by adding options...

chrome/browser/resources/shared/css/menu.css

Index: chrome/browser/resources/shared/css/menu.css
===================================================================
--- chrome/browser/resources/shared/css/menu.css	(revision 60999)
+++ chrome/browser/resources/shared/css/menu.css	(working copy)
@@ -57,20 +57,3 @@
   background-color: #426dc9;
   color: #fff;
 }
-
-menu > [checked]:before {
-  content: url("../images/checkbox_black.png");
-  width: 9px;
-  height: 9px;
-  display: inline-block;
-  vertical-align: 50%;
-  margin: 0 5px;
-}
-
-menu > [checked] {
-  -webkit-padding-start: 0;
-}
-
-menu > [selected][checked]:active:before {
-  content: url("../images/checkbox_white.png");
-}