Mojo: First stab at making MessagePipes work across OS pipes.

mojo/system/message_pipe_endpoint.cc

Index: mojo/system/message_pipe_endpoint.cc
diff --git a/mojo/system/message_pipe_endpoint.cc b/mojo/system/message_pipe_endpoint.cc
index 7f91ba27ff70b63de78e8cbb8513e4ba3a7f443c..977ee2b96634e4b1d348bffa6c94678dd86bcdf7 100644
--- a/mojo/system/message_pipe_endpoint.cc
+++ b/mojo/system/message_pipe_endpoint.cc
@@ -5,6 +5,7 @@
 #include "mojo/system/message_pipe_endpoint.h"
 
 #include "base/logging.h"
+#include "mojo/system/channel.h"
 
 namespace mojo {
 namespace system {
@@ -13,10 +14,6 @@ void MessagePipeEndpoint::CancelAllWaiters() {
   NOTREACHED();
 }
 
-void MessagePipeEndpoint::Close() {
-  NOTREACHED();
-}
-
 MojoResult MessagePipeEndpoint::ReadMessage(
     void* /*bytes*/, uint32_t* /*num_bytes*/,
     MojoHandle* /*handles*/, uint32_t* /*num_handles*/,
@@ -36,6 +33,16 @@ void MessagePipeEndpoint::RemoveWaiter(Waiter* /*waiter*/) {
   NOTREACHED();
 }
 
+void MessagePipeEndpoint::Attach(scoped_refptr<Channel> /*channel*/,
+                                 MessageInTransit::EndpointId /*local_id*/) {
+  NOTREACHED();
+}
+
+bool MessagePipeEndpoint::Run(MessageInTransit::EndpointId /*remote_id*/) {
+  NOTREACHED();
+  return true;
+}
+
 }  // namespace system
 }  // namespace mojo