Remove event_channel() and control_channel() from Session interface.

remoting/protocol/fake_session.cc

Index: remoting/protocol/fake_session.cc
diff --git a/remoting/protocol/fake_session.cc b/remoting/protocol/fake_session.cc
index 478dbac9bf309815e8e0f47831538a0c984510ba..f8f1e979bce95d1dd819dd07d07e3d418bfe2b5f 100644
--- a/remoting/protocol/fake_session.cc
+++ b/remoting/protocol/fake_session.cc
@@ -245,14 +245,6 @@ void FakeSession::CreateDatagramChannel(
 void FakeSession::CancelChannelCreation(const std::string& name) {
 }
 
-FakeSocket* FakeSession::control_channel() {
-  return &control_channel_;
-}
-
-FakeSocket* FakeSession::event_channel() {
-  return &event_channel_;
-}
-
 const std::string& FakeSession::jid() {
   return jid_;
 }