linux (and some posix): multiprocess plugins compiling.

chrome/common/child_process_host.h

 // Copyright (c) 2009 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.
 
 #ifndef CHROME_COMMON_CHILD_PROCESS_HOST_H_
 #define CHROME_COMMON_CHILD_PROCESS_HOST_H_
 
 #include "build/build_config.h"
 
 #include <list>
@@ skipping 56 matching lines @@
   void InstanceCreated();
 
   // IPC::Channel::Listener implementation:
   virtual void OnMessageReceived(const IPC::Message& msg) { }
   virtual void OnChannelConnected(int32 peer_pid) { }
   virtual void OnChannelError() { }
 
   bool opening_channel() { return opening_channel_; }
   const std::wstring& channel_id() { return channel_id_; }
 
+  const IPC::Channel& channel() const { return *channel_; }
+
  private:
   // Sends the given notification to the notification service on the UI thread.
   void Notify(NotificationType type);
 
   // WaitableEventWatcher::Delegate implementation:
   virtual void OnWaitableEventSignaled(base::WaitableEvent *event);
 
   // By using an internal class as the IPC::Channel::Listener, we can intercept
   // OnMessageReceived/OnChannelConnected and do our own processing before
   // calling the subclass' implementation.
@@ skipping 20 matching lines @@
   // IPC Channel's id.
   std::wstring channel_id_;
 
   // Used to watch the child process handle.
   base::WaitableEventWatcher watcher_;
 
   scoped_ptr<base::WaitableEvent> process_event_;
 };
 
 #endif  // CHROME_COMMON_CHILD_PROCESS_HOST_H_