From 0e0113723349d42e35eaee6f7838249fce5f3774 Mon Sep 17 00:00:00 2001
From: Jason Simmons <jason-simmons@users.noreply.github.com>
Date: Wed, 24 Jul 2019 11:33:04 -0700
Subject: [PATCH] Cache font family lookups that fail to obtain a font
 collection (flutter/engine#10109)

---
 engine/src/flutter/third_party/txt/src/txt/font_collection.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/engine/src/flutter/third_party/txt/src/txt/font_collection.cc b/engine/src/flutter/third_party/txt/src/txt/font_collection.cc
index dfa554714b..15f2b82439 100644
--- a/engine/src/flutter/third_party/txt/src/txt/font_collection.cc
+++ b/engine/src/flutter/third_party/txt/src/txt/font_collection.cc
@@ -159,6 +159,7 @@ FontCollection::GetMinikinFontCollectionForFamilies(
   }
   // Default font family also not found. We fail to get a FontCollection.
   if (minikin_families.empty()) {
+    font_collections_cache_[family_key] = nullptr;
     return nullptr;
   }
   if (enable_font_fallback_) {