4b68d634a3
Use BUILDFLAG(IS_XXX) instead of defined(OS_XXX).
Generated by `os_buildflag_migration.py` (https://crrev.com/c/3311983).
R=thakis@chromium.org
Bug: 1234043
Test: No functionality change
Change-Id: I457447ccc57b2743595044276f5293161f979cf0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3391498
Reviewed-by: Nico Weber <thakis@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Owners-Override: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/main@{#959614}