From 553ef88663c90824756016385130786b129241a8 Mon Sep 17 00:00:00 2001
From: Srujan Gaddam <srujzs@google.com>
Date: Fri, 14 Aug 2020 17:17:09 -0700
Subject: [PATCH] Add null checks for CanvasElement attributes

Changes in processing compatibility info in dart:html requires
these getters to be null-checked.
---
 lib/web_ui/lib/src/engine/html/surface_stats.dart | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/web_ui/lib/src/engine/html/surface_stats.dart b/lib/web_ui/lib/src/engine/html/surface_stats.dart
index 34f4595d260c9..911a825ad03ab 100644
--- a/lib/web_ui/lib/src/engine/html/surface_stats.dart
+++ b/lib/web_ui/lib/src/engine/html/surface_stats.dart
@@ -291,8 +291,8 @@ void _debugPrintSurfaceStats(PersistedScene scene, int frameNumber) {
     final int pixelCount = canvasElements
         .cast<html.CanvasElement>()
         .map<int>((html.CanvasElement e) {
-      final int pixels = e.width * e.height;
-      canvasInfo.writeln('    - ${e.width} x ${e.height} = $pixels pixels');
+      final int pixels = e.width! * e.height!;
+      canvasInfo.writeln('    - ${e.width!} x ${e.height!} = $pixels pixels');
       return pixels;
     }).fold(0, (int total, int pixels) => total + pixels);
     final double physicalScreenWidth =