Source/WebCore/platform/HolePunch.cmake - WebKit - Git at Google

 list(APPEND WebCore_PRIVATE_INCLUDE_DIRECTORIES
     "${WEBCORE_DIR}/platform/graphics/holepunch"
 )
 list(APPEND WebCore_SOURCES
     platform/graphics/holepunch/MediaPlayerPrivateHolePunch.cpp
 )
	list(APPEND WebCore_PRIVATE_INCLUDE_DIRECTORIES
	"${WEBCORE_DIR}/platform/graphics/holepunch"
	)
	list(APPEND WebCore_SOURCES
	platform/graphics/holepunch/MediaPlayerPrivateHolePunch.cpp
	)