Add DIR_METADATA files to v8.

Generate DIR_METADATA files and remove metadata from OWNERS
files for v8.

R=jkummerow@chromium.org, ochang@chromium.org, yangguo@chromium.org

Bug: chromium:1113033
Change-Id: I82cbb62e438d82dbbc408e87120af39fa9da0afa
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2476680Reviewed-by: Adam Klein <adamk@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>
Auto-Submit: Edward Lesmes <ehmaldonado@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70669}

DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript"
+}
+team_email: "v8-dev@googlegroups.com"
\ No newline at end of file

OWNERS

@@ -27,6 +27,3 @@ per-file *-mips*=file:MIPS_OWNERS
 per-file *-mips64*=file:MIPS_OWNERS
 per-file *-ppc*=file:PPC_OWNERS
 per-file *-s390*=file:S390_OWNERS
-
-# TEAM: v8-dev@googlegroups.com
-# COMPONENT: Blink>JavaScript

include/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>API"
+}
\ No newline at end of file

include/OWNERS

@@ -21,5 +21,3 @@ per-file js_protocol.pdl=pfeldman@chromium.org
 per-file v8-version.h=file:../INFRA_OWNERS
 per-file v8-version.h=hablich@chromium.org
 per-file v8-version.h=vahl@chromium.org
-
-# COMPONENT: Blink>JavaScript>API

src/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript"
+}
\ No newline at end of file

src/OWNERS

 per-file *DEPS=file:../COMMON_OWNERS
 per-file intl-*=file:../INTL_OWNERS
 per-file *-intl*=file:../INTL_OWNERS
-
-# COMPONENT: Blink>JavaScript

src/api/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>API"
+}
\ No newline at end of file

src/api/OWNERS

@@ -6,5 +6,3 @@ leszeks@chromium.org
 mlippautz@chromium.org
 mslekova@chromium.org
 verwaest@chromium.org
-
-# COMPONENT: Blink>JavaScript>API

src/asmjs/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>WebAssembly"
+}
\ No newline at end of file

src/asmjs/OWNERS

 ahaas@chromium.org
 clemensb@chromium.org
 titzer@chromium.org
-
-# COMPONENT: Blink>JavaScript>WebAssembly

src/ast/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>Parser"
+}
\ No newline at end of file

src/ast/OWNERS

@@ -6,5 +6,3 @@ littledan@chromium.org
 marja@chromium.org
 neis@chromium.org
 verwaest@chromium.org
-
-# COMPONENT: Blink>JavaScript>Parser

src/base/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript"
+}
\ No newline at end of file

src/base/OWNERS

 clemensb@chromium.org
 ishell@chromium.org
 mlippautz@chromium.org
-
-# COMPONENT: Blink>JavaScript

src/base/platform/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript"
+}
\ No newline at end of file

src/base/platform/OWNERS

@@ -3,5 +3,3 @@ mlippautz@chromium.org
 ulan@chromium.org
 
 per-file platform-fuchsia.cc=wez@chromium.org
-
-# COMPONENT: Blink>JavaScript

src/builtins/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>Runtime"
+}
\ No newline at end of file

src/builtins/OWNERS

 file:../../COMMON_OWNERS
-
-# COMPONENT: Blink>JavaScript>Runtime

src/codegen/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>Compiler"
+}
\ No newline at end of file

src/codegen/OWNERS

@@ -17,5 +17,3 @@ solanes@chromium.org
 tebbi@chromium.org
 titzer@chromium.org
 mythria@chromium.org
-
-# COMPONENT: Blink>JavaScript>Compiler

src/common/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript"
+}
\ No newline at end of file

src/common/OWNERS

 file:../../COMMON_OWNERS
-
-# COMPONENT: Blink>JavaScript

src/compiler-dispatcher/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>Compiler"
+}
\ No newline at end of file

src/compiler-dispatcher/OWNERS

@@ -2,5 +2,3 @@ ahaas@chromium.org
 jkummerow@chromium.org
 leszeks@chromium.org
 rmcilroy@chromium.org
-
-# COMPONENT: Blink>JavaScript>Compiler

src/compiler/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>Compiler"
+}
\ No newline at end of file

src/compiler/OWNERS

@@ -20,5 +20,3 @@ per-file int64-lowering.*=ahaas@chromium.org
 per-file simd-scalar-lowering.*=bbudge@chromium.org
 per-file simd-scalar-lowering.*=gdeepti@chromium.org
 per-file simd-scalar-lowering.*=zhin@chromium.org
-
-# COMPONENT: Blink>JavaScript>Compiler

src/compiler/backend/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>Compiler"
+}
\ No newline at end of file

src/compiler/backend/OWNERS

@@ -6,5 +6,3 @@ zhin@chromium.org
 
 per-file register-allocator*=thibaudm@chromium.org
 per-file spill-placer*=thibaudm@chromium.org
-
-# COMPONENT: Blink>JavaScript>Compiler

src/date/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>Runtime"
+}
\ No newline at end of file

src/date/OWNERS

@@ -2,5 +2,3 @@ ishell@chromium.org
 jshin@chromium.org
 ulan@chromium.org
 verwaest@chromium.org
-
-# COMPONENT: Blink>JavaScript>Runtime

src/debug/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Platform>DevTools>JavaScript"
+}
\ No newline at end of file

src/debug/OWNERS

@@ -4,5 +4,3 @@ mvstanton@chromium.org
 szuend@chromium.org
 verwaest@chromium.org
 yangguo@chromium.org
-
-# COMPONENT: Platform>DevTools>JavaScript

src/debug/wasm/gdb-server/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>WebAssembly"
+}
\ No newline at end of file

src/debug/wasm/gdb-server/OWNERS

 paolosev@microsoft.com
-
-# COMPONENT: Blink>JavaScript>WebAssembly
\ No newline at end of file

src/deoptimizer/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>Compiler"
+}
\ No newline at end of file

src/deoptimizer/OWNERS

@@ -3,5 +3,3 @@ neis@chromium.org
 nicohartmann@chromium.org
 sigurds@chromium.org
 tebbi@chromium.org
-
-# COMPONENT: Blink>JavaScript>Compiler

src/execution/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>Runtime"
+}
\ No newline at end of file

src/execution/OWNERS

@@ -9,5 +9,3 @@ szuend@chromium.org
 verwaest@chromium.org
 
 per-file futex-emulation.*=marja@chromium.org
-
-# COMPONENT: Blink>JavaScript>Runtime

src/handles/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>GC"
+}
\ No newline at end of file

src/handles/OWNERS

@@ -3,5 +3,3 @@ ishell@chromium.org
 jkummerow@chromium.org
 mlippautz@chromium.org
 ulan@chromium.org
-
-# COMPONENT: Blink>JavaScript>GC

src/heap/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>GC"
+}
\ No newline at end of file

src/heap/OWNERS

@@ -7,5 +7,3 @@ ulan@chromium.org
 
 per-file *factory*=leszeks@chromium.org
 per-file read-only-*=delphick@chromium.org
-
-# COMPONENT: Blink>JavaScript>GC

src/ic/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>Runtime"
+}
\ No newline at end of file

src/ic/OWNERS

@@ -4,5 +4,3 @@ jkummerow@chromium.org
 mvstanton@chromium.org
 verwaest@chromium.org
 mythria@chromium.org
-
-# COMPONENT: Blink>JavaScript>Runtime

src/init/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>Runtime"
+}
\ No newline at end of file

src/init/OWNERS

@@ -9,5 +9,3 @@ marja@chromium.org
 mathias@chromium.org
 ulan@chromium.org
 verwaest@chromium.org
-
-# COMPONENT: Blink>JavaScript>Runtime

src/inspector/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Platform>DevTools>JavaScript"
+}
\ No newline at end of file

src/inspector/OWNERS

@@ -7,5 +7,3 @@ szuend@chromium.org
 yangguo@chromium.org
 
 per-file PRESUBMIT.py=file:../../INFRA_OWNERS
-
-# COMPONENT: Platform>DevTools>JavaScript

src/interpreter/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>Interpreter"
+}
\ No newline at end of file

src/interpreter/OWNERS

 leszeks@chromium.org
 mythria@chromium.org
 rmcilroy@chromium.org
-
-# COMPONENT: Blink>JavaScript>Interpreter

src/json/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>Runtime"
+}
\ No newline at end of file

src/json/OWNERS

 ishell@chromium.org
 jkummerow@chromium.org
 verwaest@chromium.org
-
-# COMPONENT: Blink>JavaScript>Runtime

src/libplatform/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>API"
+}
\ No newline at end of file

src/libplatform/OWNERS

 mlippautz@chromium.org
 ulan@chromium.org
-
-# COMPONENT: Blink>JavaScript>API

src/libsampler/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Platform>DevTools>JavaScript"
+}
\ No newline at end of file

src/libsampler/OWNERS

 alph@chromium.org
 petermarshall@chromium.org
-
-# COMPONENT: Platform>DevTools>JavaScript

src/numbers/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>Runtime"
+}
\ No newline at end of file

src/numbers/OWNERS

@@ -3,5 +3,3 @@ jgruber@chromium.org
 jkummerow@chromium.org
 sigurds@chromium.org
 verwaest@chromium.org
-
-# COMPONENT: Blink>JavaScript>Runtime

src/objects/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>Runtime"
+}
\ No newline at end of file

src/objects/OWNERS

 file:../../COMMON_OWNERS
-
-# COMPONENT: Blink>JavaScript>Runtime

src/parsing/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>Parser"
+}
\ No newline at end of file

src/parsing/OWNERS

@@ -5,5 +5,3 @@ littledan@chromium.org
 marja@chromium.org
 neis@chromium.org
 verwaest@chromium.org
-
-# COMPONENT: Blink>JavaScript>Parser

src/profiler/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Platform>DevTools>JavaScript"
+}
\ No newline at end of file

src/profiler/OWNERS

@@ -2,5 +2,3 @@ alph@chromium.org
 petermarshall@chromium.org
 
 per-file *heap*=ulan@chromium.org
-
-# COMPONENT: Platform>DevTools>JavaScript

src/regexp/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>Runtime"
+}
\ No newline at end of file

src/regexp/OWNERS

 jgruber@chromium.org
 yangguo@chromium.org
-
-# COMPONENT: Blink>JavaScript>Runtime

src/roots/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>GC"
+}
\ No newline at end of file

src/roots/OWNERS

@@ -7,5 +7,3 @@ jkummerow@chromium.org
 marja@chromium.org
 sigurds@chromium.org
 ulan@chromium.org
-
-# COMPONENT: Blink>JavaScript>GC

src/runtime/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>Runtime"
+}
\ No newline at end of file

src/runtime/OWNERS

 file:../../COMMON_OWNERS
-
-# COMPONENT: Blink>JavaScript>Runtime

src/snapshot/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>Runtime"
+}
\ No newline at end of file

src/snapshot/OWNERS

@@ -2,5 +2,3 @@ delphick@chromium.org
 jgruber@chromium.org
 leszeks@chromium.org
 verwaest@chromium.org
-
-# COMPONENT: Blink>JavaScript>Runtime

src/strings/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>Runtime"
+}
\ No newline at end of file

src/strings/OWNERS

@@ -2,5 +2,3 @@ bmeurer@chromium.org
 jkummerow@chromium.org
 leszeks@chromium.org
 verwaest@chromium.org
-
-# COMPONENT: Blink>JavaScript>Runtime

src/tracing/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Platform>DevTools>JavaScript"
+}
\ No newline at end of file

src/tracing/OWNERS

 alph@chromium.org
 petermarshall@chromium.org
-
-# COMPONENT: Platform>DevTools>JavaScript

src/trap-handler/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>WebAssembly"
+}
\ No newline at end of file

src/trap-handler/OWNERS

@@ -6,5 +6,3 @@ ahaas@chromium.org
 #   ahaas@chromium.org
 #   mseaborn@chromium.org
 #   mark@chromium.org
-
-# COMPONENT: Blink>JavaScript>WebAssembly

src/utils/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript"
+}
\ No newline at end of file

src/utils/OWNERS

 file:../../COMMON_OWNERS
-
-# COMPONENT: Blink>JavaScript

src/wasm/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>WebAssembly"
+}
\ No newline at end of file

src/wasm/OWNERS

@@ -8,5 +8,3 @@ thibaudm@chromium.org
 zhin@chromium.org
 
 per-file wasm-js.*=adamk@chromium.org
-
-# COMPONENT: Blink>JavaScript>WebAssembly

test/cctest/wasm/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>WebAssembly"
+}
\ No newline at end of file

test/cctest/wasm/OWNERS

 file:../../../src/wasm/OWNERS
-
-# COMPONENT: Blink>JavaScript>WebAssembly

test/debugging/wasm/gdb-server/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>WebAssembly"
+}
\ No newline at end of file

test/debugging/wasm/gdb-server/OWNERS

 paolosev@microsoft.com
-
-# COMPONENT: Blink>JavaScript>WebAssembly
\ No newline at end of file

test/inspector/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Platform>DevTools>JavaScript"
+}
\ No newline at end of file

test/inspector/OWNERS

 file:../../src/inspector/OWNERS
-
-# COMPONENT: Platform>DevTools>JavaScript

test/intl/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>Internationalization"
+}
\ No newline at end of file

test/intl/OWNERS

 ftang@chromium.org
 jshin@chromium.org
-
-# COMPONENT: Blink>JavaScript>Internationalization

test/unittests/wasm/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>WebAssembly"
+}
\ No newline at end of file

test/unittests/wasm/OWNERS

 file:../../../src/wasm/OWNERS
-
-# COMPONENT: Blink>JavaScript>WebAssembly

test/wasm-spec-tests/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Blink>JavaScript>WebAssembly"
+}
\ No newline at end of file

test/wasm-spec-tests/OWNERS

 file:../../src/wasm/OWNERS
-
-# COMPONENT: Blink>JavaScript>WebAssembly

tools/clusterfuzz/js_fuzzer/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Infra>Client>V8"
+}
\ No newline at end of file

tools/clusterfuzz/js_fuzzer/OWNERS

@@ -5,5 +5,3 @@ file:../../../INFRA_OWNERS
 msarms@chromium.org
 mslekova@chromium.org
 ochang@chromium.org
-
-# COMPONENT: Infra>Client>V8