Fix NamedProxyLauncher on Windows.

ipc/ipc_channel_win.h

 // Copyright (c) 2011 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 IPC_IPC_CHANNEL_WIN_H_
 #define IPC_IPC_CHANNEL_WIN_H_
 #pragma once
 
 #include "ipc/ipc_channel.h"
 
@@ skipping 13 matching lines @@
  public:
   // Mirror methods of Channel, see ipc_channel.h for description.
   ChannelImpl(const IPC::ChannelHandle &channel_handle, Mode mode,
               Listener* listener);
   ~ChannelImpl();
   bool Connect();
   void Close();
   void set_listener(Listener* listener) { listener_ = listener; }
   bool Send(Message* message);
  private:
-  const std::wstring PipeName(const std::string& channel_id) const;
   bool CreatePipe(const IPC::ChannelHandle &channel_handle, Mode mode);
 
   bool ProcessConnection();
   bool ProcessIncomingMessages(MessageLoopForIO::IOContext* context,
                                DWORD bytes_read);
   bool ProcessOutgoingMessages(MessageLoopForIO::IOContext* context,
                                DWORD bytes_written);
 
   // MessageLoop::IOHandler implementation.
   virtual void OnIOCompleted(MessageLoopForIO::IOContext* context,
@@ skipping 33 matching lines @@
   // problems.  TODO(darin): make this unnecessary
   bool processing_incoming_;
 
   ScopedRunnableMethodFactory<ChannelImpl> factory_;
 
   scoped_ptr<base::NonThreadSafe> thread_check_;
 
   DISALLOW_COPY_AND_ASSIGN(ChannelImpl);
 };
 
+const std::wstring PipeNameFromChannelId(const std::string& channel_id);
+
 }  // namespace IPC
 
 #endif  // IPC_IPC_CHANNEL_WIN_H_