Move font handler and platform-independent shell stuff

GpShell/GpVOSEventQueue.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include <stdint.h>
+
+#include "HostVOSEventQueue.h"
+#include "GpVOSEvent.h"
+
+class GpVOSEventQueue final : public PortabilityLayer::HostVOSEventQueue
+{
+public:
+	GpVOSEventQueue();
+	~GpVOSEventQueue();
+
+	const GpVOSEvent *GetNext() override;
+	void DischargeOne() override;
+
+	GpVOSEvent *QueueEvent() override;
+
+private:
+	static const size_t kMaxEvents = 10000;
+
+	GpVOSEvent m_events[kMaxEvents];
+	size_t m_firstEvent;
+	size_t m_numEventsQueued;
+};