Reland of 🍵 Refactor the various locale_paks() templates to be more shared

ios/chrome/app/resources/BUILD.gn

Index: ios/chrome/app/resources/BUILD.gn
diff --git a/ios/chrome/app/resources/BUILD.gn b/ios/chrome/app/resources/BUILD.gn
index fd4da5c45b4a5f82cc7b693279f30a232e68f0d1..ba5d8676445bec56c2177047ccb8361f27ea73a5 100644
--- a/ios/chrome/app/resources/BUILD.gn
+++ b/ios/chrome/app/resources/BUILD.gn
@@ -39,7 +39,7 @@ ios_chrome_repack_all_scales("repack_scalable_resources") {
   ]
 }
 
-ios_repack("repack_unscaled_resources") {
+repack("repack_unscaled_resources") {
   visibility = [ ":packed_resources" ]
   sources = [
     "$root_gen_dir/components/components_resources.pak",
@@ -56,5 +56,5 @@ ios_repack("repack_unscaled_resources") {
     "//ui/resources",
   ]
   output = "$target_gen_dir/resources.pak"
-  bundle_output = "{{bundle_resources_dir}}/{{source_file_part}}"
+  copy_data_to_bundle = true
 }