The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/buildtools/+/2f02e1f363b1af2715536f38e239853f04ec1497

commit 2f02e1f363b1af2715536f38e239853f04ec1497
Author: Tom Anderson <thomasanderson@chromium.org>
Date: Thu Jan 17 20:56:50 2019

Don't export operator new/delete on Mac

BUG= 923084 
R=thakis

Change-Id: I6adac18742d767e41050f15debb6dd0042d3393e
[modify] https://crrev.com/2f02e1f363b1af2715536f38e239853f04ec1497/third_party/libc++/BUILD.gn

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/d9d71d7e9f8ebd301d9a6449adfef44e63a65487

commit d9d71d7e9f8ebd301d9a6449adfef44e63a65487
Author: Tom Anderson <thomasanderson@chromium.org>
Date: Fri Jan 18 17:58:26 2019

Switch Mac to in-tree libc++ builds

Binary size regression of up to 512KiB is expected.

buildtools roll includes a single CL:
https://chromium.googlesource.com/chromium/buildtools/+/2f02e1f363b1af2715536f38e239853f04ec1497

Note on chromium-dev:
https://groups.google.com/a/chromium.org/forum/#!topic/chromium-dev/QeXzX4MVrlo

BUG=840822, 923084 
R=thakis
TBR=kbr

Change-Id: Iacaf90dc480c6d8b9939c99c398a8960a2e9d4ed
Reviewed-on: https://chromium-review.googlesource.com/c/1396842
Reviewed-by: Thomas Anderson <thomasanderson@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Reviewed-by: Dmitry Gozman <dgozman@chromium.org>
Commit-Queue: Thomas Anderson <thomasanderson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#624193}
[modify] https://crrev.com/d9d71d7e9f8ebd301d9a6449adfef44e63a65487/DEPS
[modify] https://crrev.com/d9d71d7e9f8ebd301d9a6449adfef44e63a65487/build/config/c++/c++.gni
[modify] https://crrev.com/d9d71d7e9f8ebd301d9a6449adfef44e63a65487/build/config/mac/BUILD.gn
[modify] https://crrev.com/d9d71d7e9f8ebd301d9a6449adfef44e63a65487/headless/BUILD.gn
[modify] https://crrev.com/d9d71d7e9f8ebd301d9a6449adfef44e63a65487/testing/scripts/check_static_initializers.py