From 879bb462044d2ae150d74e4ef13b188df1e4a461 Mon Sep 17 00:00:00 2001
From: Jason Simmons <jason-simmons@users.noreply.github.com>
Date: Wed, 13 May 2020 11:47:03 -0700
Subject: [PATCH] [web] Represent CSS identity transforms as 'none' instead of
 null (flutter/engine#18288)

---
 engine/src/flutter/lib/web_ui/lib/src/engine/util.dart | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/engine/src/flutter/lib/web_ui/lib/src/engine/util.dart b/engine/src/flutter/lib/web_ui/lib/src/engine/util.dart
index 30771054efb..c410c8b2493 100644
--- a/engine/src/flutter/lib/web_ui/lib/src/engine/util.dart
+++ b/engine/src/flutter/lib/web_ui/lib/src/engine/util.dart
@@ -82,7 +82,7 @@ String float64ListToCssTransform(Float32List matrix) {
     return float64ListToCssTransform3d(matrix);
   } else {
     assert(transformKind == TransformKind.identity);
-    return null;
+    return 'none';
   }
 }