[Chromoting] GetHostAttributes with tests

remoting/host/directx_attributes.h

Index: remoting/host/directx_attributes.h
diff --git a/remoting/protocol/ice_config.cc b/remoting/host/directx_attributes.h
similarity index 51%
copy from remoting/protocol/ice_config.cc
copy to remoting/host/directx_attributes.h
index 4cd9a152f6beb85ef9cab17e8af09f46f9ec64f4..0346160dc2da4f2fbe786b0ee0acc963325a17fb 100644
--- a/remoting/protocol/ice_config.cc
+++ b/remoting/host/directx_attributes.h
@@ -2,14 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "remoting/protocol/ice_config.h"
+#ifndef REMOTING_HOST_DIRECTX_ATTRIBUTES_H_
+#define REMOTING_HOST_DIRECTX_ATTRIBUTES_H_
 
 namespace remoting {
-namespace protocol {
-
-IceConfig::IceConfig() {}
-IceConfig::IceConfig(const IceConfig& other) = default;
-IceConfig::~IceConfig() {}
-
-}  // namespace protocol
+void RegisterDirectxAttributes();
 }  // namespace remoting
+
+#endif  // REMOTING_HOST_DIRECTX_ATTRIBUTES_H_