Anyone can edit check_gn_headers_whitelist.txt

BUG=661774

Review-Url: https://codereview.chromium.org/2920403002
Cr-Original-Commit-Position: refs/heads/master@{#477338}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 1ef74e6c994ef0e20184f79fdf0372ff756e13fd

OWNERS

@@ -7,6 +7,7 @@ thakis@chromium.org
 brucedawson@chromium.org
 
 per-file .gitignore=*
+per-file check_gn_headers_whitelist.txt=*
 per-file mac_toolchain.py=erikchen@chromium.org
 per-file mac_toolchain.py=justincohen@chromium.org
 per-file package_mac_toolchain.py=erikchen@chromium.org

check_gn_headers_whitelist.txt

@@ -1,3 +1,6 @@
+# Do not add files to this whitelist unless you are adding a new OS or
+# changing the GN arguments on bots.
+
 ash/accelerators/accelerator_controller_delegate.h
 ash/accelerators/accelerator_controller_delegate_aura.h
 ash/accelerators/accelerator_table.h