Initial chrome.mdns API.

chrome/browser/extensions/api/mdns/dns_sd_registry.cc

Index: chrome/browser/extensions/api/mdns/dns_sd_registry.cc
diff --git a/chrome/browser/extensions/api/mdns/dns_sd_registry.cc b/chrome/browser/extensions/api/mdns/dns_sd_registry.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8194dadac680dfa4ce48ad52ec79dba29a740457
--- /dev/null
+++ b/chrome/browser/extensions/api/mdns/dns_sd_registry.cc
@@ -0,0 +1,28 @@
+// Copyright (c) 2013 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 "chrome/browser/extensions/api/mdns/dns_sd_registry.h"
+
+namespace extensions {
+
+DnsSdRegistry::DnsSdRegistry() {}
+DnsSdRegistry::~DnsSdRegistry() {}
+
+void DnsSdRegistry::AddObserver(DnsSdObserver* observer) {
+  observers_.AddObserver(observer);
+}
+
+void DnsSdRegistry::RemoveObserver(DnsSdObserver* observer) {
+  observers_.RemoveObserver(observer);
+}
+
+void DnsSdRegistry::RegisterDnsSdListener(std::string service_type) {
+  // TODO(mfoltz): Start DNS-SD service.
+}
+
+void DnsSdRegistry::UnregisterDnsSdListener(std::string service_type) {
+  // TODO(mfoltz): Stop DNS-SD service.
+}
+
+}  // namespace extensions