FdopenPlatformFile  156 base/platform_file.h BASE_EXPORT FILE* FdopenPlatformFile(PlatformFile file, const char* mode);
FdopenPlatformFile  151 content/renderer/media/media_stream_audio_processor_options.cc   FILE* stream = base::FdopenPlatformFile(aec_dump_file, "w");