AsPPB_MessageLoop_API 32 ppapi/proxy/ppb_message_loop_proxy.h virtual thunk::PPB_MessageLoop_API* AsPPB_MessageLoop_API() OVERRIDE; AsPPB_MessageLoop_API 234 ppapi/shared_impl/resource_tracker.cc const bool is_message_loop = (object->AsPPB_MessageLoop_API() != NULL);