For simplicity and short typing.
JIRA issue: CORE-19469
- Replace "virtual HRESULT
STDMETHODCALLTYPE m" with
"STDMETHOD(m)" (m is a
method name).
- Replace "virtual t
STDMETHODCALLTYPE m"
with "STDMETHOD_(t, m)"
(t is a type. m is a method name).
- Use "override" keyword as possible.