Add a Mojo EDK for Chrome that uses one OS pipe per message pipe.

ipc/ipc_channel_proxy.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ipc/ipc_channel_proxy.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/location.h"
 #include "base/memory/ref_counted.h"
@@ skipping 68 matching lines @@
     if (logger->Enabled())
       logger->OnPostDispatchMessage(message, channel_id_);
 #endif
     return true;
   }
   return false;
 }
 
 // Called on the IPC::Channel thread
 bool ChannelProxy::Context::OnMessageReceived(const Message& message) {
+
+  if (listener_task_runner_->BelongsToCurrentThread()) {
+    OnDispatchMessage(message);
+    return true;
+  }
+
+
+
   // First give a chance to the filters to process this message.
   if (!TryFilters(message))
     OnMessageReceivedNoFilter(message);
   return true;
 }
 
 // Called on the IPC::Channel thread
 bool ChannelProxy::Context::OnMessageReceivedNoFilter(const Message& message) {
   listener_task_runner_->PostTask(
       FROM_HERE, base::Bind(&Context::OnDispatchMessage, this, message));
@@ skipping 417 matching lines @@
   return channel->TakeClientFileDescriptor();
 }
 #endif
 
 void ChannelProxy::OnChannelInit() {
 }
 
 //-----------------------------------------------------------------------------
 
 }  // namespace IPC