insertDTMF         41 content/renderer/media/rtc_dtmf_sender_handler.cc bool RtcDtmfSenderHandler::insertDTMF(const blink::WebString& tones,
insertDTMF         61 content/shell/renderer/test_runner/MockWebRTCDTMFSenderHandler.cpp bool MockWebRTCDTMFSenderHandler::insertDTMF(const WebString& tones, long duration, long interToneGap)