Cast: Fix udp_transport_unittest

media/cast/test/utility/net_utility.h

Index: media/cast/test/utility/net_utility.h
diff --git a/media/audio/mock_audio_source_callback.cc b/media/cast/test/utility/net_utility.h
similarity index 56%
copy from media/audio/mock_audio_source_callback.cc
copy to media/cast/test/utility/net_utility.h
index da2be1cfa41c3cf8aa63b969fc9451dcc5dc3dbc..6d190fe48e6b035764b93e8da76445be1b9faa24 100644
--- a/media/audio/mock_audio_source_callback.cc
+++ b/media/cast/test/utility/net_utility.h
@@ -2,11 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "media/audio/mock_audio_source_callback.h"
+#include "net/base/ip_endpoint.h"
 
 namespace media {
+namespace cast {
+namespace test {
 
-MockAudioSourceCallback::MockAudioSourceCallback() {}
-MockAudioSourceCallback::~MockAudioSourceCallback() {}
+net::IPEndPoint GetFreeLocalPort();
 
+}  // namespace test
+}  // namespace cast
 }  // namespace media