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

ipc/ipc_channel_mojo.cc

 // Copyright 2014 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 "ipc/ipc_channel_mojo.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 386 matching lines @@
 
 void ChannelMojo::OnMessageReceived(const Message& message) {
   TRACE_EVENT2("ipc,toplevel", "ChannelMojo::OnMessageReceived",
                "class", IPC_MESSAGE_ID_CLASS(message.type()),
                "line", IPC_MESSAGE_ID_LINE(message.type()));
   listener_->OnMessageReceived(message);
   if (message.dispatch_error())
     listener_->OnBadMessageReceived(message);
 }
 
-#if defined(OS_POSIX) && !defined(OS_NACL_SFI)
-int ChannelMojo::GetClientFileDescriptor() const {
-  return -1;
-}
-
-base::ScopedFD ChannelMojo::TakeClientFileDescriptor() {
-  return base::ScopedFD(GetClientFileDescriptor());
-}
-#endif  // defined(OS_POSIX) && !defined(OS_NACL_SFI)
-
 // static
 MojoResult ChannelMojo::ReadFromMessageAttachmentSet(
     Message* message,
     base::Optional<std::vector<mojom::SerializedHandlePtr>>* handles) {
   DCHECK(!*handles);
 
   MojoResult result = MOJO_RESULT_OK;
   if (!message->HasAttachments())
     return result;
 
@@ skipping 62 matching lines @@
 }
 
 void ChannelMojo::GetGenericRemoteAssociatedInterface(
     const std::string& name,
     mojo::ScopedInterfaceEndpointHandle handle) {
   if (message_reader_)
     message_reader_->GetRemoteInterface(name, std::move(handle));
 }
 
 }  // namespace IPC