PPB_Var            43 nacl/pepper_main.c typedef struct PPB_Var PPB_Var;
PPB_Var            62 nacl/pepper_main.c static PPB_Var* var_interface = NULL;
PPB_Var           677 nacl/pepper_main.c   var_interface = (PPB_Var*)(get_browser_interface(PPB_VAR_INTERFACE));