Revert of Add TransportSession interface to prepare for WebRTC-based transport.

remoting/protocol/channel_dispatcher_base.cc

Index: remoting/protocol/channel_dispatcher_base.cc
diff --git a/remoting/protocol/channel_dispatcher_base.cc b/remoting/protocol/channel_dispatcher_base.cc
index 65450617b44f9509eb3beb986ae7024e8830555c..3d54269bb24f624666e5897ca12295a2607470f5 100644
--- a/remoting/protocol/channel_dispatcher_base.cc
+++ b/remoting/protocol/channel_dispatcher_base.cc
@@ -9,7 +9,6 @@
 #include "remoting/protocol/session.h"
 #include "remoting/protocol/session_config.h"
 #include "remoting/protocol/stream_channel_factory.h"
-#include "remoting/protocol/transport.h"
 
 namespace remoting {
 namespace protocol {
@@ -31,8 +30,7 @@
   DCHECK(session);
   switch (config.transport) {
     case ChannelConfig::TRANSPORT_MUX_STREAM:
-      channel_factory_ =
-          session->GetTransportSession()->GetMultiplexedChannelFactory();
+      channel_factory_ = session->GetMultiplexedChannelFactory();
       break;
 
     case ChannelConfig::TRANSPORT_QUIC_STREAM:
@@ -40,8 +38,7 @@
       break;
 
     case ChannelConfig::TRANSPORT_STREAM:
-      channel_factory_ =
-          session->GetTransportSession()->GetStreamChannelFactory();
+      channel_factory_ = session->GetTransportChannelFactory();
       break;
 
     default: