Add ScopedTimer, Remove some comments

include/TScopedTimer.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <chrono>
+#include <functional>
+#include <string>
+
+class TScopedTimer {
+public:
+    TScopedTimer();
+    TScopedTimer(const std::string& Name);
+    TScopedTimer(std::function<void(size_t)> OnDestroy);
+    ~TScopedTimer();
+
+    std::function<void(size_t /* time_ms */)> OnDestroy { nullptr };
+
+private:
+    std::chrono::high_resolution_clock::time_point mStartTime;
+    std::string Name;
+};