Use ChannelMojo between the remoting daemon and network processes.

remoting/host/switches.h

Index: remoting/host/switches.h
diff --git a/remoting/host/switches.h b/remoting/host/switches.h
index efb860463bd712e69c15ffacf9ac4c1fdb5663d1..f26f28552634c53b3435e1a6707acdb538d63c8f 100644
--- a/remoting/host/switches.h
+++ b/remoting/host/switches.h
@@ -41,6 +41,10 @@ extern const char kInputSwitchName[];
 // Name of the pipe used to communicate from the child to the parent process.
 extern const char kOutputSwitchName[];
 
+// Token used to create a message pipe between a pair of child and parent
+// processes.
+extern const char kMojoPipeToken[];
+
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_SWITCHES_H_