1 files changed, 40 insertions, 0 deletions
diff --git a/dom/webgpu/ValidationError.h b/dom/webgpu/ValidationError.h
new file mode 100644
index 0000000000..a46c39a2bf
--- /dev/null
+++ b/dom/webgpu/ValidationError.h
@@ -0,0 +1,40 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef GPU_ValidationError_H_
+#define GPU_ValidationError_H_
+
+#include "nsWrapperCache.h"
+#include "ObjectModel.h"
+
+namespace mozilla {
+namespace dom {
+class GlobalObject;
+}  // namespace dom
+namespace webgpu {
+class Device;
+
+class ValidationError final : public nsWrapperCache, public ChildOf<Device> {
+  nsCString mMessage;
+
+ public:
+  GPU_DECL_CYCLE_COLLECTION(ValidationError)
+  GPU_DECL_JS_WRAP(ValidationError)
+  ValidationError(Device* aParent, const nsACString& aMessage);
+
+ private:
+  virtual ~ValidationError();
+  void Cleanup() {}
+
+ public:
+  static already_AddRefed<ValidationError> Constructor(
+      const dom::GlobalObject& aGlobal, const nsAString& aString);
+  void GetMessage(nsAString& aMessage) const;
+};
+
+}  // namespace webgpu
+}  // namespace mozilla
+
+#endif  // GPU_ValidationError_H_