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

content/common/child_process_host_impl.cc

 // 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.
 
 #include "content/common/child_process_host_impl.h"
 
 #include <limits>
 
 #include "base/atomic_sequence_num.h"
 #include "base/command_line.h"
@@ skipping 159 matching lines @@
 
   opening_channel_ = true;
 
   return true;
 }
 
 bool ChildProcessHostImpl::IsChannelOpening() {
   return opening_channel_;
 }
 
-#if defined(OS_POSIX)
-base::ScopedFD ChildProcessHostImpl::TakeClientFileDescriptor() {
-  return channel_->TakeClientFileDescriptor();
-}
-#endif
-
 bool ChildProcessHostImpl::Send(IPC::Message* message) {
   if (!channel_) {
     delete message;
     return false;
   }
   return channel_->Send(message);
 }
 
 void ChildProcessHostImpl::AllocateSharedMemory(
       size_t buffer_size, base::ProcessHandle child_process_handle,
@@ skipping 147 matching lines @@
 }
 
 void ChildProcessHostImpl::OnDeletedGpuMemoryBuffer(
     gfx::GpuMemoryBufferId id,
     const gpu::SyncToken& sync_token) {
   // Note: Nothing to do here as ownership of shared memory backed
   // GpuMemoryBuffers is passed with IPC.
 }
 
 }  // namespace content