Method SetEventClass

src/profiling/test/TimelineModel.hpp:70–70

    uint64_t GetTimeStamp() const {return m_TimeStamp;}
    uint64_t GetThreadId() const {return m_ThreadId;}
    void SetEventClass(EventClassObj* evtClass) {m_EventClass = evtClass;}
    std::string GetEventClass()
    {
        if (m_EventClass == nullptr)