From 4883131507286def8cbd6f1ab9f32b0766c70c8c Mon Sep 17 00:00:00 2001
From: Chris Bracken <chris@bracken.jp>
Date: Wed, 4 Apr 2018 13:53:49 -0700
Subject: [PATCH] Set FlutterTexture copyPixelBuffer return nullable (#4934)

This is to support Swift users, where nil is allowed for CVPixelBufferRef.
---
 shell/platform/darwin/ios/framework/Headers/FlutterTexture.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/shell/platform/darwin/ios/framework/Headers/FlutterTexture.h b/shell/platform/darwin/ios/framework/Headers/FlutterTexture.h
index c755ebf71..f2b8670a8 100644
--- a/shell/platform/darwin/ios/framework/Headers/FlutterTexture.h
+++ b/shell/platform/darwin/ios/framework/Headers/FlutterTexture.h
@@ -14,7 +14,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 FLUTTER_EXPORT
 @protocol FlutterTexture<NSObject>
-- (CVPixelBufferRef)copyPixelBuffer;
+- (CVPixelBufferRef _Nullable)copyPixelBuffer;
 @end
 
 FLUTTER_EXPORT
-- 
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