Componentize script to generate UI string overrides mapping.

chrome/browser/metrics/variations/BUILD.gn

Index: chrome/browser/metrics/variations/BUILD.gn
diff --git a/chrome/browser/metrics/variations/BUILD.gn b/chrome/browser/metrics/variations/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..ed39b8c1fc8a0715b09e5aeab57eb2c174e8a447
--- /dev/null
+++ b/chrome/browser/metrics/variations/BUILD.gn
@@ -0,0 +1,18 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//components/variations/service/generate_ui_string_overrider.gni")
+
+# GYP version: chrome/chrome_resources.gyp:chrome_ui_string_overrider_factory
+generate_ui_string_overrider("chrome_ui_string_overrider_factory") {
+  inputs = [
+    "$root_gen_dir/chrome/grit/generated_resources.h",
+  ]
+  deps = [
+    "//chrome/app:generated_resources",
+  ]
+  namespace = "chrome_variations"
+  header_filename = "ui_string_overrider_factory.h"
+  source_filename = "ui_string_overrider_factory.cc"
+}