Port chromevox build to GN.

chrome/browser/resources/chromeos/chromevox/strings/BUILD.gn

Index: chrome/browser/resources/chromeos/chromevox/strings/BUILD.gn
diff --git a/chrome/browser/resources/chromeos/chromevox/strings/BUILD.gn b/chrome/browser/resources/chromeos/chromevox/strings/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..9a7f8566756f6fccf0b82fd8cf6948ec50fe096e
--- /dev/null
+++ b/chrome/browser/resources/chromeos/chromevox/strings/BUILD.gn
@@ -0,0 +1,71 @@
+# 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("//tools/grit/grit_rule.gni")
+
+chromevox_out_dir = "$root_out_dir/resources/chromeos/chromevox"
+
+grit("chromevox_strings") {
+  source = "chromevox_strings.grd"
+  outputs = [
+    "_locales/am/messages.json",
+    "_locales/ar/messages.json",
+    "_locales/bg/messages.json",
+    "_locales/bn/messages.json",
+    "_locales/ca/messages.json",
+    "_locales/cs/messages.json",
+    "_locales/da/messages.json",
+    "_locales/de/messages.json",
+    "_locales/el/messages.json",
+    "_locales/en_GB/messages.json",
+    "_locales/en/messages.json",
+    "_locales/es/messages.json",
+    "_locales/es_419/messages.json",
+    "_locales/et/messages.json",
+    "_locales/fa/messages.json",
+    "_locales/fi/messages.json",
+    "_locales/fil/messages.json",
+    "_locales/fr/messages.json",
+    "_locales/gu/messages.json",
+    "_locales/he/messages.json",
+    "_locales/hi/messages.json",
+    "_locales/hr/messages.json",
+    "_locales/hu/messages.json",
+    "_locales/id/messages.json",
+    "_locales/it/messages.json",
+    "_locales/ja/messages.json",
+    "_locales/kn/messages.json",
+    "_locales/ko/messages.json",
+    "_locales/lt/messages.json",
+    "_locales/lv/messages.json",
+    "_locales/ml/messages.json",
+    "_locales/mr/messages.json",
+    "_locales/ms/messages.json",
+    "_locales/nl/messages.json",
+    "_locales/nb/messages.json",
+    "_locales/pl/messages.json",
+    "_locales/pt_BR/messages.json",
+    "_locales/pt_PT/messages.json",
+    "_locales/ro/messages.json",
+    "_locales/ru/messages.json",
+    "_locales/sk/messages.json",
+    "_locales/sl/messages.json",
+    "_locales/sr/messages.json",
+    "_locales/sv/messages.json",
+    "_locales/sw/messages.json",
+    "_locales/ta/messages.json",
+    "_locales/te/messages.json",
+    "_locales/th/messages.json",
+    "_locales/tr/messages.json",
+    "_locales/uk/messages.json",
+    "_locales/vi/messages.json",
+    "_locales/zh_CN/messages.json",
+    "_locales/zh_TW/messages.json",
+  ]
+  output_dir = chromevox_out_dir
+
+  # Don't polute the extension directory with stamp and .d files.
+  depfile_dir = target_out_dir
+  resource_ids = ""
+}