[Chromoting] Remove DataChannelManagerCallbacks constructor parameter of ClientSession

remoting/host/chromoting_host_unittest.cc

Index: remoting/host/chromoting_host_unittest.cc
diff --git a/remoting/host/chromoting_host_unittest.cc b/remoting/host/chromoting_host_unittest.cc
index 5fc75e40c6d8407db0fda9e56e16943e424726ea..74498a6300af74d87248089c50af925ec02a948e 100644
--- a/remoting/host/chromoting_host_unittest.cc
+++ b/remoting/host/chromoting_host_unittest.cc
@@ -132,8 +132,7 @@ class ChromotingHostTest : public testing::Test {
     std::unique_ptr<ClientSession> client(new ClientSession(
         host_.get(), std::move(connection), desktop_environment_factory_.get(),
         DesktopEnvironmentOptions::CreateDefault(), base::TimeDelta(), nullptr,
-        std::vector<HostExtension*>(),
-        std::vector<protocol::DataChannelManager::NameCallbackPair>()));
+        std::vector<HostExtension*>()));
     ClientSession* client_ptr = client.get();
 
     connection_ptr->set_host_stub(client.get());