SaturateAdd        39 ppapi/proxy/websocket_resource.cc   return SaturateAdd(payload_size, overhead);
SaturateAdd       255 ppapi/proxy/websocket_resource.cc         SaturateAdd(buffered_amount_after_close_, GetFrameSize(payload_size));
SaturateAdd       286 ppapi/proxy/websocket_resource.cc   return SaturateAdd(buffered_amount_, buffered_amount_after_close_);