_NP_ABI_MIXIN_FOR_GCC3  350 third_party/npapi/bindings/npapi.h #define NP_ABI_MASK (_NP_ABI_MIXIN_FOR_GCC3 | _NP_ABI_MIXIN_FOR_MACHO)
_NP_ABI_MIXIN_FOR_GCC3  380 third_party/npapi/npspy/extern/plugin/npapi.h #define NP_ABI_MASK (_NP_ABI_MIXIN_FOR_GCC3 | _NP_ABI_MIXIN_FOR_MACHO)