In file included from missing_ctor.cpp:5:
./missing_ctor.h:11:1: warning: [chromium-style] Complex class/struct needs an explicit out-of-line constructor.
class MissingCtorsArentOKInHeader {
^
./missing_ctor.h:11:1: warning: [chromium-style] Complex class/struct needs an explicit out-of-line destructor.
2 warnings generated.