ValidateResize
virtual status_t ValidateResize(off_t* size);
status_t ValidateResize(off_t* size) const;
status = partition->ValidateResize(&validatedSize);
error = fDelegate->ValidateResize(&contentSize);
error = fDelegate->ValidateResize(&contentSize);
return fPartitionHandle->ValidateResize(size);
status_t ValidateResize(off_t* size) const;