[MD Bookmarks] Add edit folder.

chrome/browser/resources/md_bookmarks/list.html

Index: chrome/browser/resources/md_bookmarks/list.html
diff --git a/chrome/browser/resources/md_bookmarks/list.html b/chrome/browser/resources/md_bookmarks/list.html
index ca9437981bbf336b71b11e43631f9762abd6f80a..fc5371d2d07fafdee91f276e48a1c057541683de 100644
--- a/chrome/browser/resources/md_bookmarks/list.html
+++ b/chrome/browser/resources/md_bookmarks/list.html
@@ -37,9 +37,10 @@
     </style>
     <dialog is="cr-action-menu" id="dropdown">
       <button class="dropdown-item" on-tap="onEditTap_">
-        $i18n{menuEdit}
+        [[getEditActionLabel_(menuItem_)]]
       </button>
-      <button class="dropdown-item" on-tap="onCopyURLTap_">
+      <button class="dropdown-item" on-tap="onCopyURLTap_"
+          hidden$="[[!menuItem_.url]]">
         $i18n{menuCopyURL}
       </button>
       <button class="dropdown-item" on-tap="onDeleteTap_">
@@ -47,7 +48,7 @@
       </button>
     </dialog>
     <dialog is="cr-dialog" id="editBookmark">
-      <div class="title">$i18n{editBookmarkTitle}</div>
+      <div class="title">[[getEditorTitle_(menuItem_)]]</div>
       <div class="body">
         <paper-input always-float-label id="name"
             label="$i18n{editDialogNameInput}"
@@ -55,7 +56,8 @@
         </paper-input>
         <paper-input always-float-label id="url"
             label="$i18n{editDialogUrlInput}"
-            value="{{menuItem_.url}}">
+            value="{{menuItem_.url}}"
+            hidden$="[[!menuItem_.url]]">
         </paper-input>
       </div>
       <div class="button-container">