[infra] Fix OWNERS files

* Remove leftover files from chromium.
* Fix syntax errors in some files.

Bug: b/216440912
Change-Id: Ibe9dc23b88d0def993bd1217df6089c1112b4ad9
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/235082
Reviewed-by: William Hesse <whesse@google.com>

OWNERS

@@ -8,13 +8,13 @@ vegorov@google.com #{LAST_RESORT_SUGGESTION}
 vsm@google.com #{LAST_RESORT_SUGGESTION}
 
 # DEPS
-per-file DEPS=/tools/OWNERS_ENG
+per-file DEPS=file:/tools/OWNERS_ENG
 
 # Changelog, AUTHORS, and .git* do not require approval.
 per-file CHANGELOG.md,AUTHORS,.gitattributes,.gitconfig,.gitignore=*
 
 # Product documentation
-CONTRIBUTING.md,LICENSE,PATENT_GRANT,README.*,SECURITY.md=file:/tools/OWNERS_PRODUCT
+per-file CONTRIBUTING.md,LICENSE,PATENT_GRANT,README.*,SECURITY.md=file:/tools/OWNERS_PRODUCT
 
 # Top level build files
 per-file .clang-format,BUILD.gn,sdk_args.gni=file:/tools/OWNERS_VM,file:/tools/OWNERS_INFRA

build/config/OWNERS

@@ -1,6 +0,0 @@
-brettw@chromium.org
-dpranke@chromium.org
-scottmg@chromium.org
-
-per-file BUILDCONFIG.gn=brettw@chromium.org
-per-file BUILDCONFIG.gn=set noparent

build/mac/OWNERS

@@ -1,2 +0,0 @@
-mark@chromium.org
-thomasvl@chromium.org

build/sanitizers/OWNERS

@@ -1,4 +0,0 @@
-glider@chromium.org
-earthdok@chromium.org
-per-file tsan_suppressions.cc=*
-per-file lsan_suppressions.cc=*

build/toolchain/OWNERS

@@ -1,3 +0,0 @@
-brettw@chromium.org
-dpranke@chromium.org
-scottmg@chromium.org

tools/OWNERS

@@ -1,4 +1,4 @@
-file:/OWNERS_INFRA
+file:OWNERS_INFRA
 
 # Groups administrate themselves.
 per-file OWNERS_ANALYZER=file:OWNERS_ANALYZER