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diff --git a/toolkit/xre/dllservices/mozglue/ModuleLoadFrame.h b/toolkit/xre/dllservices/mozglue/ModuleLoadFrame.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 mozilla_glue_ModuleLoadFrame_h
+#define mozilla_glue_ModuleLoadFrame_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/LoaderAPIInterfaces.h"
+
+namespace mozilla {
+namespace glue {
+
+class MOZ_RAII ModuleLoadFrame final {
+ public:
+ explicit ModuleLoadFrame(PCUNICODE_STRING aRequestedDllName);
+ ~ModuleLoadFrame();
+
+ void SetLoadStatus(NTSTATUS aNtStatus, HANDLE aHandle);
+
+ ModuleLoadFrame(const ModuleLoadFrame&) = delete;
+ ModuleLoadFrame(ModuleLoadFrame&&) = delete;
+ ModuleLoadFrame& operator=(const ModuleLoadFrame&) = delete;
+ ModuleLoadFrame& operator=(ModuleLoadFrame&&) = delete;
+
+ static void StaticInit(nt::LoaderObserver* aNewObserver,
+ nt::WinLauncherServices* aOutWinLauncher);
+
+ private:
+ bool mAlreadyLoaded;
+ void* mContext;
+ NTSTATUS mDllLoadStatus;
+ ModuleLoadInfo mLoadInfo;
+
+ private:
+ static nt::LoaderAPI* sLoaderAPI;
+};
+
+} // namespace glue
+} // namespace mozilla
+
+#endif // mozilla_glue_ModuleLoadFrame_h