UnadviseSink       58 win8/metro_driver/ime/input_source.cc     if (FAILED(source_->UnadviseSink(cookie_)))
UnadviseSink      181 win8/metro_driver/ime/text_service.cc     source_->UnadviseSink(cookie_);
UnadviseSink      196 win8/metro_driver/ime/text_store.h   STDMETHOD(UnadviseSink)(IUnknown* unknown) OVERRIDE;