workaround for mac kernel bug

ipc/ipc_channel_nacl.h

 // 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.
 
 #ifndef IPC_IPC_CHANNEL_NACL_H_
 #define IPC_IPC_CHANNEL_NACL_H_
 
 #include <deque>
 #include <string>
 
@@ skipping 42 matching lines @@
 
   bool CreatePipe(const IPC::ChannelHandle& channel_handle);
   bool ProcessOutgoingMessages();
 
   // ChannelReader implementation.
   virtual ReadState ReadData(char* buffer,
                              int buffer_len,
                              int* bytes_read) OVERRIDE;
   virtual bool WillDispatchInputMessage(Message* msg) OVERRIDE;
   virtual bool DidEmptyInputBuffers() OVERRIDE;
-  virtual void HandleHelloMessage(const Message& msg) OVERRIDE;
+  virtual void HandleInternalMessage(const Message& msg) OVERRIDE;
 
   Mode mode_;
   bool waiting_connect_;
 
   // The pipe used for communication.
   int pipe_;
 
   // The "name" of our pipe.  On Windows this is the global identifier for
   // the pipe.  On POSIX it's used as a key in a local map of file descriptors.
   // For NaCl, we don't actually support looking up file descriptors by name,
@@ skipping 35 matching lines @@
   std::deque<linked_ptr<Message> > output_queue_;
 
   base::WeakPtrFactory<ChannelImpl> weak_ptr_factory_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(ChannelImpl);
 };
 
 }  // namespace IPC
 
 #endif  // IPC_IPC_CHANNEL_NACL_H_