The FAQ at the top of this forum links to the General Usage wiki, which shows how to use CEF. See the "Inter-process communication" section.
The processes have separate address spaces, so sharing pointers is not going to work. Sharing data can be done using the IPC messages and also whatever functions the OS provides like memory mapped files in Windows - https://msdn.microsoft.com/en-us/librar ... 78(v=vs.85).aspx