Add an IPC channel between the NaCl loader process and the renderer.

chrome/nacl/nacl_ipc_adapter.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 CHROME_NACL_NACL_IPC_ADAPTER_H_
 #define CHROME_NACL_NACL_IPC_ADAPTER_H_
 #pragma once
 
 #include <queue>
 #include <string>
@@ skipping 59 matching lines @@
   // read.
   int BlockingReceive(char* output_buffer, size_t output_buffer_size);
 
   // Closes the IPC channel.
   void CloseChannel();
 
   // Make a NaClDesc that refers to this NaClIPCAdapter. Note that the returned
   // NaClDesc is reference-counted, and a reference is returned.
   NaClDesc* MakeNaClDesc();
 
+#if defined(OS_POSIX)
+  int TakeClientFileDescriptor();
+#endif
+
   // Listener implementation.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
   virtual void OnChannelConnected(int32 peer_pid) OVERRIDE;
   virtual void OnChannelError() OVERRIDE;
 
  private:
   friend class base::RefCountedThreadSafe<NaClIPCAdapter>;
 
   class RewrittenMessage;
 
@@ skipping 53 matching lines @@
   // To be accessed inside of lock_ only.
   LockedData locked_data_;
 
   // To be accessed on the I/O thread (via task runner) only.
   IOThreadData io_thread_data_;
 
   DISALLOW_COPY_AND_ASSIGN(NaClIPCAdapter);
 };
 
 #endif  // CHROME_NACL_NACL_IPC_ADAPTER_H_