mac: Fix gn bootstrap after https://codereview.chromium.org/2768933002

That change added a reference to base::CurrentProcessInfo::CreationTime()
in code of base/ that's live in the gn executable.

BUG=none

Review-Url: https://codereview.chromium.org/2778453003
Cr-Original-Commit-Position: refs/heads/master@{#459510}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 64b5d69a2f831f402112dad708a0612f2869aee4
1 file changed
tree: 82f446976772dbb81b2c0cea244b96ca9ed683dc
  1. tools/