core: frontend: Refactor scope_acquire_window_context to scope_acquire_context.

src/core/frontend/scope_acquire_context.h

@@ -0,0 +1,23 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+
+namespace Core::Frontend {
+
+class GraphicsContext;
+
+/// Helper class to acquire/release window context within a given scope
+class ScopeAcquireContext : NonCopyable {
+public:
+    explicit ScopeAcquireContext(Core::Frontend::GraphicsContext& context);
+    ~ScopeAcquireContext();
+
+private:
+    Core::Frontend::GraphicsContext& context;
+};
+
+} // namespace Core::Frontend