From d33b2d4288cff19ee91ba4def4b262f3a372a416 Mon Sep 17 00:00:00 2001
From: Dan Field <dnfield@google.com>
Date: Fri, 9 Jun 2023 15:27:46 -0700
Subject: [PATCH] Delete WeakPtrFactory from GPUSurfaceVulkanImpeller
 (flutter/engine#42710)

Should fix https://github.com/flutter/flutter/issues/128618.

This is unused - if it were used we'd have to be careful about deleting the object on the same thread it's created on.
---
 engine/src/flutter/shell/gpu/gpu_surface_vulkan_impeller.cc | 3 +--
 engine/src/flutter/shell/gpu/gpu_surface_vulkan_impeller.h  | 1 -
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/engine/src/flutter/shell/gpu/gpu_surface_vulkan_impeller.cc b/engine/src/flutter/shell/gpu/gpu_surface_vulkan_impeller.cc
index b5848cc4c66..8381fbf26d9 100644
--- a/engine/src/flutter/shell/gpu/gpu_surface_vulkan_impeller.cc
+++ b/engine/src/flutter/shell/gpu/gpu_surface_vulkan_impeller.cc
@@ -12,8 +12,7 @@
 namespace flutter {
 
 GPUSurfaceVulkanImpeller::GPUSurfaceVulkanImpeller(
-    std::shared_ptr<impeller::Context> context)
-    : weak_factory_(this) {
+    std::shared_ptr<impeller::Context> context) {
   if (!context || !context->IsValid()) {
     return;
   }
diff --git a/engine/src/flutter/shell/gpu/gpu_surface_vulkan_impeller.h b/engine/src/flutter/shell/gpu/gpu_surface_vulkan_impeller.h
index 7eca3ecd17f..19ba2b58730 100644
--- a/engine/src/flutter/shell/gpu/gpu_surface_vulkan_impeller.h
+++ b/engine/src/flutter/shell/gpu/gpu_surface_vulkan_impeller.h
@@ -29,7 +29,6 @@ class GPUSurfaceVulkanImpeller final : public Surface {
   std::shared_ptr<impeller::Renderer> impeller_renderer_;
   std::shared_ptr<impeller::AiksContext> aiks_context_;
   bool is_valid_ = false;
-  fml::WeakPtrFactory<GPUSurfaceVulkanImpeller> weak_factory_;
 
   // |Surface|
   std::unique_ptr<SurfaceFrame> AcquireFrame(const SkISize& size) override;