Further cleanup of OS_MACOSX in sandbox

Bug: 1105907
Change-Id: I99815cc5f70fd0278d5b562e5b3b0890ce305f32
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2328342
Auto-Submit: Avi Drissman <avi@chromium.org>
Commit-Queue: Robert Sesek <rsesek@chromium.org>
Reviewed-by: Robert Sesek <rsesek@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#793180}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 49828f6faa0289eddf6cb7288243576b58ab57ef
diff --git a/policy/sandbox_type.h b/policy/sandbox_type.h
index f27bc85..6b4bd42 100644
--- a/policy/sandbox_type.h
+++ b/policy/sandbox_type.h
@@ -83,7 +83,7 @@
 #endif
 
 #if !defined(OS_MAC)
-  // Hosts WebRTC for Sharing Service, uses kUtility on OS_MACOSX.
+  // Hosts WebRTC for Sharing Service, uses kUtility on OS_MAC.
   kSharingService,
 #endif