1 files changed, 4 insertions, 0 deletions
diff --git a/chromium/third_party/blink/renderer/platform/graphics/gpu/dawn_control_client_holder.h b/chromium/third_party/blink/renderer/platform/graphics/gpu/dawn_control_client_holder.h
index 550038892c9..9e3c086225a 100644
--- a/chromium/third_party/blink/renderer/platform/graphics/gpu/dawn_control_client_holder.h
+++ b/chromium/third_party/blink/renderer/platform/graphics/gpu/dawn_control_client_holder.h
@@ -47,6 +47,7 @@ class PLATFORM_EXPORT DawnControlClientHolder
   base::WeakPtr<WebGraphicsContext3DProviderWrapper> GetContextProviderWeakPtr()
       const;
   const DawnProcTable& GetProcs() const { return procs_; }
+  void MarkContextLost();
   bool IsContextLost() const;
   std::unique_ptr<RecyclableCanvasResource> GetOrCreateCanvasResource(
       const SkImageInfo& info,
@@ -56,11 +57,14 @@ class PLATFORM_EXPORT DawnControlClientHolder
   friend class RefCounted<DawnControlClientHolder>;
   ~DawnControlClientHolder();
 
+  bool context_lost_ = false;
   std::unique_ptr<WebGraphicsContext3DProviderWrapper> context_provider_;
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   scoped_refptr<gpu::webgpu::APIChannel> api_channel_;
   DawnProcTable procs_;
   WebGPURecyclableResourceCache recyclable_resource_cache_;
+
+  base::WeakPtrFactory<DawnControlClientHolder> weak_ptr_factory_{this};
 };
 
 }  // namespace blink