Delete IPC::ChannelPosix, IPC::ChannelWin and IPC::AttachmentBroker.

ipc/ipc_message_attachment_set.h

 // Copyright (c) 2011 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_MESSAGE_ATTACHMENT_SET_H_
 #define IPC_IPC_MESSAGE_ATTACHMENT_SET_H_
 
 #include <stddef.h>
 
 #include <vector>
@@ skipping 75 matching lines @@
 
   // This must be called after transmitting the descriptors returned by
   // PeekDescriptors. It marks all the non-brokerable descriptors as consumed
   // and closes those which are auto-close.
   void CommitAllDescriptors();
 
   // Returns a vector of all brokerable attachments.
   std::vector<scoped_refptr<IPC::BrokerableAttachment>>
   GetBrokerableAttachments() const;
 
-  // Replaces a placeholder brokerable attachment with |attachment|, matching
-  // them by their id.
-  void ReplacePlaceholderWithAttachment(
-      const scoped_refptr<BrokerableAttachment>& attachment);
-
 #if defined(OS_POSIX)
   // This is the maximum number of descriptors per message. We need to know this
   // because the control message kernel interface has to be given a buffer which
   // is large enough to store all the descriptor numbers. Otherwise the kernel
   // tells us that it truncated the control data and the extra descriptors are
   // lost.
   //
   // In debugging mode, it's a fatal error to try and add more than this number
   // of descriptors to a MessageAttachmentSet.
   static const size_t kMaxDescriptorsPerMessage = 7;
@@ skipping 43 matching lines @@
   // all the descriptors have been read (with GetNthDescriptor). Secondly, we
   // can check that they are read in order.
   mutable unsigned consumed_descriptor_highwater_;
 
   DISALLOW_COPY_AND_ASSIGN(MessageAttachmentSet);
 };
 
 }  // namespace IPC
 
 #endif  // IPC_IPC_MESSAGE_ATTACHMENT_SET_H_