insertDTMF         38 content/renderer/media/rtc_dtmf_sender_handler.h   virtual bool insertDTMF(const blink::WebString& tones, long duration,
insertDTMF         28 content/shell/renderer/test_runner/MockWebRTCDTMFSenderHandler.h     virtual bool insertDTMF(const blink::WebString& tones, long duration, long interToneGap) OVERRIDE;