From d160719f1694ef39c804dd3f635f08edea8b10fa Mon Sep 17 00:00:00 2001
From: George Wright <gw280@google.com>
Date: Thu, 13 Jan 2022 14:29:43 -0800
Subject: [PATCH] Don't retain the MTLTexture or MTLDevice in TestMetalContext
 (flutter/engine#30832)

---
 engine/src/flutter/testing/test_metal_context.mm | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/engine/src/flutter/testing/test_metal_context.mm b/engine/src/flutter/testing/test_metal_context.mm
index d2ea2cb3d1b..6ac70a2ae25 100644
--- a/engine/src/flutter/testing/test_metal_context.mm
+++ b/engine/src/flutter/testing/test_metal_context.mm
@@ -14,7 +14,7 @@
 namespace flutter {
 
 TestMetalContext::TestMetalContext() {
-  auto device = fml::scoped_nsprotocol{[MTLCreateSystemDefaultDevice() retain]};
+  auto device = fml::scoped_nsprotocol{MTLCreateSystemDefaultDevice()};
   if (!device) {
     FML_LOG(ERROR) << "Could not acquire Metal device.";
     return;
@@ -82,8 +82,7 @@ TestMetalContext::TextureInfo TestMetalContext::CreateMetalTexture(const SkISize
   }
 
   id<MTLDevice> device = (__bridge id<MTLDevice>)GetMetalDevice();
-  sk_cfp<void*> texture =
-      sk_cfp<void*>{[[device newTextureWithDescriptor:texture_descriptor.get()] retain]};
+  sk_cfp<void*> texture = sk_cfp<void*>{[device newTextureWithDescriptor:texture_descriptor.get()]};
 
   if (!texture) {
     FML_CHECK(false) << "Could not create texture from texture descriptor.";