From 67b046cb8683d84b222e267e0f0c04d191dc3fcc Mon Sep 17 00:00:00 2001
From: Sergey Kuznetsov <amatsukine@gmail.com>
Date: Mon, 23 Jul 2018 18:31:25 +0300
Subject: [PATCH] Make chrome.tabs.highlight callback as an optional (#27453)

---
 types/chrome/index.d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/types/chrome/index.d.ts b/types/chrome/index.d.ts
index 0bfec6bfd8..856a1ebc8f 100644
--- a/types/chrome/index.d.ts
+++ b/types/chrome/index.d.ts
@@ -6564,7 +6564,7 @@ declare namespace chrome.tabs {
      * @param callback Optional.
      * Parameter window: Contains details about the window whose tabs were highlighted.
      */
-    export function highlight(highlightInfo: HighlightInfo, callback: (window: chrome.windows.Window) => void): void;
+    export function highlight(highlightInfo: HighlightInfo, callback?: (window: chrome.windows.Window) => void): void;
     /**
      * Gets all tabs that have the specified properties, or all tabs if no properties are specified.
      * @since Chrome 16.