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..55a0fc4a91741e5f7ed8ba5ca915a592a23cf20e
--- /dev/null
+++ b/components/wifi_sync/BUILD.gn
@@ -0,0 +1,18 @@
+# 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_credential_syncable_service.cc",
+    "wifi_credential_syncable_service.h",
+    "wifi_credential_syncable_service_factory.cc",
+    "wifi_credential_syncable_service_factory.h",
+    "wifi_security_class.h",
+  ]
+
+  deps = [
+    "//base",
+    "//sync",
+  ]
+}