createChannelMerger  525 AudioContext.cpp     return createChannelMerger(ChannelMergerDefaultNumberOfInputs, es);
createChannelMerger  138 AudioContext.h     PassRefPtr<ChannelMergerNode> createChannelMerger(ExceptionState&);
createChannelMerger  139 AudioContext.h     PassRefPtr<ChannelMergerNode> createChannelMerger(size_t numberOfInputs, ExceptionState&);