toUint16          843 Source/platform/fonts/harfbuzz/HarfBuzzShaper.cpp             hb_buffer_add_utf16(harfBuzzBuffer.get(), toUint16(upperText.characters16()), currentRun->numCharacters(), 0, currentRun->numCharacters());
toUint16          845 Source/platform/fonts/harfbuzz/HarfBuzzShaper.cpp             hb_buffer_add_utf16(harfBuzzBuffer.get(), toUint16(m_normalizedBuffer.get() + currentRun->startIndex()), currentRun->numCharacters(), 0, currentRun->numCharacters());