Upstream Settings.bundle used by experimental_flags.{h,mm}.

ios/chrome/browser/BUILD.gn

Index: ios/chrome/browser/BUILD.gn
diff --git a/ios/chrome/browser/BUILD.gn b/ios/chrome/browser/BUILD.gn
index eac37946284f4bcf33c726a8371958dec0cd5bae..ea0741c6d889b926efb8c064b316645fee00abe3 100644
--- a/ios/chrome/browser/BUILD.gn
+++ b/ios/chrome/browser/BUILD.gn
@@ -3,6 +3,7 @@
 # found in the LICENSE file.
 
 import("//build/config/features.gni")
+import("//build/config/ios/rules.gni")
 import("//third_party/protobuf/proto_library.gni")
 
 declare_args() {
@@ -218,6 +219,34 @@ source_set("about_flags") {
   ]
 }
 
+bundle_data("settings_resources") {
+  sources = [
+    "resources/Settings.bundle/Experimental.plist",
+    "resources/Settings.bundle/Root.plist",
+  ]
+  outputs = [
+    "{{bundle_resources_dir}}/Settings.bundle/{{source_file_part}}",
+  ]
+  deps = [
+    ":settings_resources_experimental_strings",
+    ":settings_resources_root_strings",
+  ]
+}
+
+bundle_data_strings("settings_resources_experimental_strings") {
+  visibility = [ ":settings_resources" ]
+  source = "resources/Settings.bundle/en.lproj/Experimental.strings"
+  output =
+      "{{bundle_resources_dir}}/Settings.bundle/en.lproj/{{source_file_part}}"
+}
+
+bundle_data_strings("settings_resources_root_strings") {
+  visibility = [ ":settings_resources" ]
+  source = "resources/Settings.bundle/en.lproj/Root.strings"
+  output =
+      "{{bundle_resources_dir}}/Settings.bundle/en.lproj/{{source_file_part}}"
+}
+
 source_set("unit_tests") {
   testonly = true
   sources = [