Index: media/base/state.cc |
diff --git a/media/base/state.cc b/media/base/state.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..1716a53bc67f0c7e6ef15861438d4cf0ce080507 |
--- /dev/null |
+++ b/media/base/state.cc |
@@ -0,0 +1,26 @@ |
+// Copyright 2016 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 "media/base/state.h" |
+ |
+namespace media { |
+ |
+State::State() {} |
+ |
+State::~State() {} |
+ |
+void State::RegisterClient(Client* client) { |
+ clients_.insert(client); |
+} |
+ |
+void State::UnregisterClient(Client* client) { |
+ clients_.erase(client); |
+} |
+ |
+void State::StateChanged() { |
+ for (Client* client : clients_) |
+ client->OnStateChanged(); |
+} |
+ |
+} // namespace media |