Name: Darwin
URL: http://www.opensource.apple.com/
Version: unknown
Security Critical: yes
License: Apple Public Source License 2.0

Four files are excerpted here:

malloc.h from:
https://github.com/apple-oss-distributions/libmalloc/blob/libmalloc-409.40.6/include/malloc/malloc.h

Modifications:
- Modified #ifdef guards.
- Removed everything but the definition of malloc_zone_t.
- Added a header for the definition of boolean_t.
- Renamed _malloc_zone_t to ChromeMallocZone to avoid possible name conflicts.

CFRuntime.h from:
http://www.opensource.apple.com/source/CF/CF-635/CFRuntime.h

Modifications:
- Modified #ifdef guards.
- Removed everything but the definition of CFRuntimeBase.
- Renamed CFRuntimeBase to ChromeCFRuntimeBase to avoid possible name conflicts.

CFBase.h from:
http://www.opensource.apple.com/source/CF/CF-550/CFBase.c
http://www.opensource.apple.com/source/CF/CF-635/CFBase.c

Modifications:
- Renamed the file to CFBase.h.
- Added #ifdef guards.
- Added an #include of the CFRuntime.h file.
- Removed everything but the definition of __CFAllocator.
- Modified the reference of CFRuntimeBase to ChromeCFRuntimeBase.
- Renamed __CFAllocator to ChromeCFAllocatorLeopards (from CF-550) and to
  ChromeCFAllocatorLions (from CF-635) to avoid possible name conflicts.

dnsinfo.h from:
http://www.opensource.apple.com/source/configd/configd-453.19/dnsinfo/dnsinfo.h

Provides dns_config_t which is used by /net/dns/dns_config_service_posix.cc to
obtain system DNS configuration on Mac OS X. This private header is also used by
Apple's open source mDNSResponder.

Modifications:
- Removed Availability.h and the corresponding macros.