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

ipc/attachment_broker_unprivileged.cc

Index: ipc/attachment_broker_unprivileged.cc
diff --git a/ipc/attachment_broker_unprivileged.cc b/ipc/attachment_broker_unprivileged.cc
deleted file mode 100644
index ad7c7171fa2bc0ea7d7dd0731d89a2a8a9ede91f..0000000000000000000000000000000000000000
--- a/ipc/attachment_broker_unprivileged.cc
+++ /dev/null
@@ -1,104 +0,0 @@
-// 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/attachment_broker_unprivileged.h"
-
-#include <memory>
-
-#include "base/lazy_instance.h"
-#include "base/memory/ptr_util.h"
-#include "base/metrics/histogram_macros.h"
-#include "build/build_config.h"
-#include "ipc/ipc_channel.h"
-#include "ipc/ipc_endpoint.h"
-
-#if defined(OS_WIN)
-#include "ipc/attachment_broker_unprivileged_win.h"
-#endif
-
-#if defined(OS_MACOSX) && !defined(OS_IOS)
-#include "ipc/attachment_broker_unprivileged_mac.h"
-#endif
-
-namespace IPC {
-
-namespace {
-
-// On platforms that support attachment brokering, returns a new instance of
-// a platform-specific attachment broker. Otherwise returns |nullptr|.
-// The caller takes ownership of the newly created instance, and is
-// responsible for ensuring that the attachment broker lives longer than
-// every IPC::Channel. The new instance automatically registers itself as the
-// global attachment broker.
-std::unique_ptr<AttachmentBrokerUnprivileged> CreateBroker() {
-#if defined(OS_WIN)
-  return base::WrapUnique(new IPC::AttachmentBrokerUnprivilegedWin);
-#elif defined(OS_MACOSX) && !defined(OS_IOS)
-  return base::WrapUnique(new IPC::AttachmentBrokerUnprivilegedMac);
-#else
-  return nullptr;
-#endif
-}
-
-// This class is wrapped in a LazyInstance to ensure that its constructor is
-// only called once. The constructor creates an attachment broker and sets it as
-// the global broker.
-class AttachmentBrokerMakeOnce {
- public:
-  AttachmentBrokerMakeOnce() {
-    // Single process tests can cause an attachment broker to already exist.
-    if (AttachmentBroker::GetGlobal())
-      return;
-    attachment_broker_ = CreateBroker();
-  }
-
- private:
-  std::unique_ptr<IPC::AttachmentBrokerUnprivileged> attachment_broker_;
-};
-
-base::LazyInstance<AttachmentBrokerMakeOnce>::Leaky
-    g_attachment_broker_make_once = LAZY_INSTANCE_INITIALIZER;
-
-}  // namespace
-
-AttachmentBrokerUnprivileged::AttachmentBrokerUnprivileged()
-    : sender_(nullptr) {
-  IPC::AttachmentBroker::SetGlobal(this);
-}
-
-AttachmentBrokerUnprivileged::~AttachmentBrokerUnprivileged() {
-  IPC::AttachmentBroker::SetGlobal(nullptr);
-}
-
-// static
-void AttachmentBrokerUnprivileged::CreateBrokerIfNeeded() {
-  g_attachment_broker_make_once.Get();
-}
-
-void AttachmentBrokerUnprivileged::RegisterBrokerCommunicationChannel(
-    Endpoint* endpoint) {
-  DCHECK(endpoint);
-  DCHECK(!sender_);
-  sender_ = endpoint;
-  endpoint->SetAttachmentBrokerEndpoint(true);
-}
-
-void AttachmentBrokerUnprivileged::DeregisterBrokerCommunicationChannel(
-    Endpoint* endpoint) {
-  DCHECK(endpoint);
-  DCHECK_EQ(endpoint, sender_);
-  sender_ = nullptr;
-}
-
-bool AttachmentBrokerUnprivileged::IsPrivilegedBroker() {
-  return false;
-}
-
-void AttachmentBrokerUnprivileged::LogError(UMAError error) {
-  UMA_HISTOGRAM_ENUMERATION(
-      "IPC.AttachmentBrokerUnprivileged.BrokerAttachmentError", error,
-      ERROR_MAX);
-}
-
-}  // namespace IPC