diff --git a/toolkit/modules/NewTabUtils.jsm b/toolkit/modules/NewTabUtils.jsm
index 86043e234c44..34715dd49704 100644
--- a/toolkit/modules/NewTabUtils.jsm
+++ b/toolkit/modules/NewTabUtils.jsm
@@ -1296,6 +1296,7 @@ var ActivityStreamLinks = {
    * @param {Object} aOptions
    *   {bool} excludeBookmarks: Don't add bookmark items.
    *   {bool} excludeHistory: Don't add history items.
+   *   {bool} withFavicons: Add favicon data: URIs, when possible.
    *   {int}  numItems: Maximum number of (bookmark or history) items to return.
    *
    * @return {Promise} Returns a promise with the array of links as the payload
@@ -1328,6 +1329,11 @@ var ActivityStreamLinks = {
       }
     }
 
+    if (aOptions.withFavicons) {
+      return ActivityStreamProvider._faviconBytesToDataURI(
+        await ActivityStreamProvider._addFavicons(results));
+    }
+
     return results;
   },
 
diff --git a/toolkit/modules/tests/xpcshell/test_NewTabUtils.js b/toolkit/modules/tests/xpcshell/test_NewTabUtils.js
index 70281f1651c2..0fe7813e39c4 100644
--- a/toolkit/modules/tests/xpcshell/test_NewTabUtils.js
+++ b/toolkit/modules/tests/xpcshell/test_NewTabUtils.js
@@ -478,6 +478,15 @@ add_task(async function getHighlights() {
   Assert.equal(links[0].type, "bookmark", "was history now bookmark");
   Assert.equal(links[1].url, bookmarks[1].url, "still have younger bookmark now second");
   Assert.equal(links[2].url, bookmarks[0].url, "still have older bookmark now third");
+
+  // Test the `withFavicons` option.
+  links = await provider.getHighlights({ withFavicons: true });
+  Assert.equal(links.length, 3, "We're not expecting a change in links");
+  // We don't have the favicon service all bootstrapped and that's unnecessary
+  // for this unit.
+  Assert.ok("favicon" in links[0], "Link 1 should contain a favicon");
+  Assert.ok("favicon" in links[1], "Link 2 should contain a favicon");
+  Assert.ok("favicon" in links[2], "Link 3 should contain a favicon");
 });
 
 add_task(async function getTopFrecentSites() {