MD Bookmarks: Focus sidebar nodes on click without showing an outline

chrome/browser/resources/md_bookmarks/folder_node.js

Index: chrome/browser/resources/md_bookmarks/folder_node.js
diff --git a/chrome/browser/resources/md_bookmarks/folder_node.js b/chrome/browser/resources/md_bookmarks/folder_node.js
index 09dd8099ee59984910986f240fbdfa31b6a09430..b959dca03851690f155cd9a5a631281a0cad5f9c 100644
--- a/chrome/browser/resources/md_bookmarks/folder_node.js
+++ b/chrome/browser/resources/md_bookmarks/folder_node.js
@@ -6,6 +6,7 @@ Polymer({
   is: 'bookmarks-folder-node',
 
   behaviors: [
+    bookmarks.MouseFocusBehavior,
     bookmarks.StoreClient,
   ],
 
@@ -69,7 +70,7 @@ Polymer({
     }
   },
 
-  /** @return {HTMLElement} */
+  /** @return {!HTMLElement} */

[calamity, 2017/06/08 03:34:18]

@override

[tsergeant, 2017/06/08 05:03:40]

Done.

   getFocusTarget: function() {
     return this.$.container;
   },
@@ -339,6 +340,6 @@ Polymer({
    * @return {string}
    */
   getTabIndex_: function() {
-    return this.isSelectedFolder_ ? '0' : '';
+    return this.isSelectedFolder_ ? '0' : '-1';
   },
 });