wifi_sync: add FakeWifiConfigDelegate

components/wifi_sync/fake_wifi_config_delegate.cc

+// 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.
+
+#include "components/wifi_sync/fake_wifi_config_delegate.h"
+
+namespace wifi_sync {
+
+FakeWifiConfigDelegate::FakeWifiConfigDelegate()
+    : add_count_(0) {
+}
+
+void FakeWifiConfigDelegate::AddToLocalNetworks(
+    const WifiCredential& network_credential) {
+  ++add_count_;
+}
+
+}  // namespace wifi_sync