Open bookmark in new background tab at Ctrl+Click but not closing menu

chrome/browser/ui/views/bookmarks/bookmark_menu_delegate.cc

Index: chrome/browser/ui/views/bookmarks/bookmark_menu_delegate.cc
diff --git a/chrome/browser/ui/views/bookmarks/bookmark_menu_delegate.cc b/chrome/browser/ui/views/bookmarks/bookmark_menu_delegate.cc
index a7cea645737d9ebff105d31ccae54fcccbe3f09e..79b87d8889b14487b49ccad600cc295f8c5d00dc 100644
--- a/chrome/browser/ui/views/bookmarks/bookmark_menu_delegate.cc
+++ b/chrome/browser/ui/views/bookmarks/bookmark_menu_delegate.cc
@@ -135,6 +135,12 @@ void BookmarkMenuDelegate::ExecuteCommand(int id, int mouse_event_flags) {
   bookmark_utils::RecordBookmarkLaunch(location_);
 }
 
+bool BookmarkMenuDelegate::ShouldExecuteCommandWithoutClosingMenu(
+    int id, const ui::Event& event) {
+  return (event.flags() & ui::EF_LEFT_MOUSE_BUTTON) &&
+         chrome::DispositionFromEventFlags(event.flags()) == NEW_BACKGROUND_TAB;
+}
+
 bool BookmarkMenuDelegate::GetDropFormats(
     MenuItemView* menu,
     int* formats,