D                 615 ipc/ipc_message_utils.h   typedef Tuple5<A, B, C, D, E> param_type;
D                  30 ppapi/generators/test_cgen/enum_typedef.h   D = A + B,
D                  92 third_party/protobuf/src/google/protobuf/stubs/type_traits_unittest.cc class D {