The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/0bf0dd8041242ffcc13fd0a3ea840c255f25237f

commit 0bf0dd8041242ffcc13fd0a3ea840c255f25237f
Author: robert.bradford <robert.bradford@intel.com>
Date: Fri Jun 17 20:11:04 2016

base: In SHA-1 implementation use base::ByteSwap for endian conversion

With crrev.com/2077563002 enabling the use of builtins for byte swapping
switch the SHA-1 implementation in base over to using the function in
base/sys_byteorder.h

BUG= 620779 
TEST=base_unittests:SHA1Test.* pass

Review-Url: https://codereview.chromium.org/2076593002
Cr-Commit-Position: refs/heads/master@{#400480}

[modify] https://crrev.com/0bf0dd8041242ffcc13fd0a3ea840c255f25237f/base/sha1.cc

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/1a09b177d4641f50d96c82218c0fd0155d27ae4f

commit 1a09b177d4641f50d96c82218c0fd0155d27ae4f
Author: robert.bradford <robert.bradford@intel.com>
Date: Fri Jun 17 23:26:11 2016

base: Use compiler builtins for byte swapping

Blink/WTF already makes use of compiler builtins for endian byte
swapping so do the same in Chromium base itself.

BUG= 620779 
TEST=base_unittests:ByteOrderTest.*

Review-Url: https://codereview.chromium.org/2077563002
Cr-Commit-Position: refs/heads/master@{#400540}

[modify] https://crrev.com/1a09b177d4641f50d96c82218c0fd0155d27ae4f/base/BUILD.gn
[modify] https://crrev.com/1a09b177d4641f50d96c82218c0fd0155d27ae4f/base/base.gyp
[modify] https://crrev.com/1a09b177d4641f50d96c82218c0fd0155d27ae4f/base/sys_byteorder.h
[add] https://crrev.com/1a09b177d4641f50d96c82218c0fd0155d27ae4f/base/sys_byteorder_unittest.cc