MD Bookmarks: Implement dialog to add new folders/bookmarks

ui/webui/resources/cr_elements/cr_action_menu/cr_action_menu.html

Index: ui/webui/resources/cr_elements/cr_action_menu/cr_action_menu.html
diff --git a/ui/webui/resources/cr_elements/cr_action_menu/cr_action_menu.html b/ui/webui/resources/cr_elements/cr_action_menu/cr_action_menu.html
index 68caf2c7bf3019a4ccb6bfaf1a91319e0126c59b..415668410f671ea6a16f7ae7ee0b4feae8184cd0 100644
--- a/ui/webui/resources/cr_elements/cr_action_menu/cr_action_menu.html
+++ b/ui/webui/resources/cr_elements/cr_action_menu/cr_action_menu.html
@@ -8,6 +8,7 @@
         background-color: white;
         border: none;
         box-shadow: 0 2px 6px var(--paper-grey-500);
+        color: inherit;
         margin: 0;
         outline: none;
         padding: 8px 0;
@@ -21,7 +22,7 @@
         background: none;
         border: none;
         box-sizing: border-box;
-        color: var(--paper-grey-800);
+        color: inherit;
         font: inherit;
         min-height: 32px;
         padding: 0 24px;
@@ -34,6 +35,10 @@
         display: flex;
       }
 
+      :host ::content .dropdown-item[disabled] {
+        opacity: 0.65;
+      }
+
       :host ::content .dropdown-item:not([disabled]) {
         @apply(--cr-actionable);
       }