Remove obsolete methods from IPC::Channel and related classes.

components/nacl/loader/nacl_ipc_adapter.h

 // Copyright 2013 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 COMPONENTS_NACL_LOADER_NACL_IPC_ADAPTER_H_
 #define COMPONENTS_NACL_LOADER_NACL_IPC_ADAPTER_H_
 
 #include <stddef.h>
 
 #include <map>
@@ skipping 122 matching lines @@
   // read.
   int BlockingReceive(NaClImcTypedMsgHdr* msg);
 
   // 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)
-  base::ScopedFD TakeClientFileDescriptor();
-#endif
-
   // Listener implementation.
   bool OnMessageReceived(const IPC::Message& message) override;
   void OnChannelConnected(int32_t peer_pid) override;
   void OnChannelError() override;
 
  private:
   friend class base::RefCountedThreadSafe<NaClIPCAdapter>;
 
   class RewrittenMessage;
 
@@ skipping 78 matching lines @@
   // To be accessed on the I/O thread (via task runner) only.
   IOThreadData io_thread_data_;
 
   DISALLOW_COPY_AND_ASSIGN(NaClIPCAdapter);
 };
 
 // Export TranslatePepperFileReadWriteOpenFlags for testing.
 int TranslatePepperFileReadWriteOpenFlagsForTesting(int32_t pp_open_flags);
 
 #endif  // COMPONENTS_NACL_LOADER_NACL_IPC_ADAPTER_H_