Add a disabled property to DOMUI lists

chrome/browser/resources/shared/js/cr/ui/list.js

Index: chrome/browser/resources/shared/js/cr/ui/list.js
diff --git a/chrome/browser/resources/shared/js/cr/ui/list.js b/chrome/browser/resources/shared/js/cr/ui/list.js
index 042733b32b371bcd2f52376ee57794ba3734acba..edb3854c0b4606288e3c2b83fb9683af1e9f9d1a 100644
--- a/chrome/browser/resources/shared/js/cr/ui/list.js
+++ b/chrome/browser/resources/shared/js/cr/ui/list.js
@@ -283,6 +283,9 @@ cr.define('cr.ui', function() {
      * @private
      */
     handleMouseDownUp_: function(e) {
+      if (this.disabled)
+        return;
+
       var target = e.target;
 
       // If the target was this element we need to make sure that the user did
@@ -311,6 +314,9 @@ cr.define('cr.ui', function() {
      * @return {boolean} Whether the key event was handled.
      */
     handleKeyDown: function(e) {
+      if (this.disabled)
+        return;
+
       return this.selectionController_.handleKeyDown(e);
     },
 
@@ -558,6 +564,8 @@ cr.define('cr.ui', function() {
     }
   };
 
+  cr.defineProperty(List, 'disabled', cr.PropertyKind.BOOL_ATTR);
+
   return {
     List: List
   }