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

ipc/brokerable_attachment.cc

 // Copyright 2015 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/brokerable_attachment.h"
 
 #include <stddef.h>
 
 #include "build/build_config.h"
-#include "ipc/attachment_broker.h"
 
 namespace IPC {
 
-// BrokerableAttachment::AttachmentId ------------------------------------------
-#if !USE_ATTACHMENT_BROKER
-// static
-BrokerableAttachment::AttachmentId
-BrokerableAttachment::AttachmentId::CreateIdWithRandomNonce() {
-  CHECK(false) << "Platforms that don't support attachment brokering shouldn't "
-                  "be trying to generating a random nonce.";
-  return AttachmentId();
-}
-#endif
-
-BrokerableAttachment::AttachmentId::AttachmentId() {
-  for (size_t i = 0; i < BrokerableAttachment::kNonceSize; ++i)
-    nonce[i] = 0;
-}
-
-BrokerableAttachment::AttachmentId::AttachmentId(const char* start_address,
-                                                 size_t size) {
-  DCHECK(size == BrokerableAttachment::kNonceSize);
-  for (size_t i = 0; i < BrokerableAttachment::kNonceSize; ++i)
-    nonce[i] = start_address[i];
-}
-
-void BrokerableAttachment::AttachmentId::SerializeToBuffer(char* start_address,
-                                                           size_t size) {
-  DCHECK(size == BrokerableAttachment::kNonceSize);
-  for (size_t i = 0; i < BrokerableAttachment::kNonceSize; ++i)
-    start_address[i] = nonce[i];
-}
-
 // BrokerableAttachment::BrokerableAttachment ----------------------------------
 
-BrokerableAttachment::BrokerableAttachment()
-    : id_(AttachmentId::CreateIdWithRandomNonce()) {}
+BrokerableAttachment::BrokerableAttachment() = default;
 
-BrokerableAttachment::BrokerableAttachment(const AttachmentId& id) : id_(id) {}
-
-BrokerableAttachment::~BrokerableAttachment() {}
-
-BrokerableAttachment::AttachmentId BrokerableAttachment::GetIdentifier() const {
-  return id_;
-}
+BrokerableAttachment::~BrokerableAttachment() = default;
 
 bool BrokerableAttachment::NeedsBrokering() const {
   return GetBrokerableType() == PLACEHOLDER;
 }
 
 BrokerableAttachment::Type BrokerableAttachment::GetType() const {
   return TYPE_BROKERABLE_ATTACHMENT;
 }
 
 #if defined(OS_POSIX)
 base::PlatformFile BrokerableAttachment::TakePlatformFile() {
   NOTREACHED();
   return base::PlatformFile();
 }
 #endif  // OS_POSIX
 
 }  // namespace IPC