NPERR_INVALID_INSTANCE_ERROR  754 third_party/npapi/bindings/npapi.h #define NPERR_INVALID_INSTANCE_ERROR      (NPERR_BASE + 2)
NPERR_INVALID_INSTANCE_ERROR  611 third_party/npapi/npspy/extern/plugin/npapi.h #define NPERR_INVALID_INSTANCE_ERROR      (NPERR_BASE + 2)