Fix NamedProxyLauncher on Windows.

ipc/ipc_channel_win.h

Index: ipc/ipc_channel_win.h
diff --git a/ipc/ipc_channel_win.h b/ipc/ipc_channel_win.h
index 358d6fa5072550e3562e26b00fbb9e878492955a..c0a4a2f7e88293214ae55aa63940133d7ae0f680 100644
--- a/ipc/ipc_channel_win.h
+++ b/ipc/ipc_channel_win.h
@@ -31,7 +31,6 @@ class Channel::ChannelImpl : public MessageLoopForIO::IOHandler {
   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();
@@ -85,6 +84,8 @@ class Channel::ChannelImpl : public MessageLoopForIO::IOHandler {
   DISALLOW_COPY_AND_ASSIGN(ChannelImpl);
 };
 
+const std::wstring PipeNameFromChannelId(const std::string& channel_id);
+
 }  // namespace IPC
 
 #endif  // IPC_IPC_CHANNEL_WIN_H_