components: add wifi_sync component

components/wifi_sync/BUILD.gn

Index: components/wifi_sync/BUILD.gn
diff --git a/components/wifi_sync/BUILD.gn b/components/wifi_sync/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..332624afec3cbf2701842c13b64b2153a78184fd
--- /dev/null
+++ b/components/wifi_sync/BUILD.gn
@@ -0,0 +1,31 @@
+# Copyright 2014 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.
+
+source_set("wifi_sync") {
+  sources = [
+    "wifi_security_class.h",
+  ]
+
+  deps = [
+    "//base",
+  ]
+
+  if (is_chromeos) {
+    sources += [ "wifi_security_class_chromeos.cc" ]
+  }
+}
+
+source_set("unit_tests") {
+  testonly = true
+
+  if (is_chromeos) {
+    deps = [
+      ":wifi_sync",
+      "//testing/gtest",
+    ]
+    sources = [
+      "wifi_security_class_chromeos_unittest.cc"
+    ]
+  }
+}