[DEPS] Add release_scripts repo as submodule.

This is required by official Chrome release pipeline.

Bug: 352605554, 376327998
Change-Id: Id57ced4feb2813274435dd53a327e70ef7be4438
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6036310
Reviewed-by: Rachael Newitt <renewitt@google.com>
Reviewed-by: Josip Sokcevic <sokcevic@chromium.org>
Commit-Queue: Keybo Qian <keybo@google.com>
Reviewed-by: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1385347}

.gitmodules

@@ -9,6 +9,10 @@
 	path = chrome/installer/mac/third_party/xz/xz
 	url = https://chromium.googlesource.com/chromium/deps/xz
 	gclient-condition = checkout_mac
+[submodule "chrome/release_scripts"]
+	path = chrome/release_scripts
+	url = https://chrome-internal.googlesource.com/chrome/tools/release/scripts
+	gclient-condition = checkout_chrome_release_scripts
 [submodule "third_party/libc++/src"]
 	path = third_party/libc++/src
 	url = https://chromium.googlesource.com/external/github.com/llvm/llvm-project/libcxx

DEPS

@@ -120,6 +120,10 @@ vars = {
   # custom_vars.
   'checkout_src_internal': False,
 
+  # Condition used by a subset of official Chrome release builders.
+  # By default, do not check out release_scripts.
+  'checkout_chrome_release_scripts': False,
+
   # Checkout legacy src_internal. This variable is ignored if
   # checkout_src_internal is set as false.
   'checkout_legacy_src_internal': True,
@@ -1097,6 +1101,11 @@ deps = {
       'condition': 'checkout_mac',
   },
 
+  'src/chrome/release_scripts': {
+      'url': Var('chrome_git') + '/chrome/tools/release/scripts' + '@' + '3a84659ad339f985e937eb59f70e4a3a91f05c32',
+      'condition': 'checkout_chrome_release_scripts',
+  },
+
   'src/third_party/libc++/src':
     Var('chromium_git') +
     '/external/github.com/llvm/llvm-project/libcxx.git' + '@' +

OWNERS

@@ -42,6 +42,7 @@ per-file chromeos/ash/resources/internal=*
 per-file chromeos/assistant/internal=*
 per-file clank=*
 per-file content/test/data/plugin=*
+per-file chrome/release_scripts=*
 per-file docs/website=*
 per-file google_apis/internal=*
 per-file internal=*