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

ipc/attachment_broker_privileged.h

Index: ipc/attachment_broker_privileged.h
diff --git a/ipc/attachment_broker_privileged.h b/ipc/attachment_broker_privileged.h
deleted file mode 100644
index 630574f8df1392a280f9492fa2ccfefe404ccb91..0000000000000000000000000000000000000000
--- a/ipc/attachment_broker_privileged.h
+++ /dev/null
@@ -1,131 +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.
-
-#ifndef IPC_ATTACHMENT_BROKER_PRIVILEGED_H_
-#define IPC_ATTACHMENT_BROKER_PRIVILEGED_H_
-
-#include <utility>
-#include <vector>
-
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/single_thread_task_runner.h"
-#include "build/build_config.h"
-#include "ipc/attachment_broker.h"
-#include "ipc/ipc_export.h"
-
-#if defined(OS_MACOSX) && !defined(OS_IOS)
-namespace base {
-class PortProvider;
-}  // namespace base
-#endif  // defined(OS_MACOSX) && !defined(OS_IOS)
-
-namespace IPC {
-
-class Endpoint;
-class Sender;
-
-// This abstract subclass of AttachmentBroker is intended for use in a
-// privileged process . When unprivileged processes want to send attachments,
-// the attachments get routed through the privileged process, and more
-// specifically, an instance of this class.
-class IPC_EXPORT AttachmentBrokerPrivileged : public IPC::AttachmentBroker {
- public:
-  AttachmentBrokerPrivileged();
-  ~AttachmentBrokerPrivileged() override;
-
-  // If there is no global attachment broker, makes a new
-  // AttachmentBrokerPrivileged and sets it as the global attachment broker.
-  // This method is thread safe.
-#if defined(OS_MACOSX) && !defined(OS_IOS)
-  static void CreateBrokerIfNeeded(base::PortProvider* provider);
-#else
-  static void CreateBrokerIfNeeded();
-#endif  // defined(OS_MACOSX) && !defined(OS_IOS)
-
-  // Similar to CreateBrokerIfNeeded(), but useful for single process unit tests
-  // that don't need real attachment brokering, and don't want to deal with
-  // setting up a fake PortProvider.
-  static void CreateBrokerForSingleProcessTests();
-
-  // AttachmentBroker overrides.
-  void RegisterCommunicationChannel(
-      Endpoint* endpoint,
-      scoped_refptr<base::SingleThreadTaskRunner> runner) override;
-  void DeregisterCommunicationChannel(Endpoint* endpoint) override;
-  bool IsPrivilegedBroker() override;
-
- protected:
-  using EndpointRunnerPair =
-      std::pair<Endpoint*, scoped_refptr<base::SingleThreadTaskRunner>>;
-
-  // Returns the sender whose peer's process id is |id|.
-  // Returns nullptr if no sender is found.
-  // The lock returned by get_lock() must already be acquired before calling
-  // this method. The return value is only guaranteed to be valid while the lock
-  // is held.
-  EndpointRunnerPair GetSenderWithProcessId(base::ProcessId id);
-
-  // Sends a message to the endpoint, dispatching onto another thread if
-  // necessary.
-  void SendMessageToEndpoint(EndpointRunnerPair pair, Message* message);
-
-  // Errors that can be reported by subclasses.
-  // These match tools/metrics/histograms/histograms.xml.
-  // This enum is append-only.
-  enum UMAError {
-    // The brokerable attachment had a valid destination. This is the success
-    // case.
-    DESTINATION_FOUND = 0,
-    // The brokerable attachment had a destination, but the broker did not have
-    // a channel of communication with that process.
-    DESTINATION_NOT_FOUND = 1,
-    // The brokerable attachment did not have a destination process.
-    NO_DESTINATION = 2,
-    // Error making an intermediate Mach port.
-    ERROR_MAKE_INTERMEDIATE = 3,
-    // Error parsing DuplicateMachPort message.
-    ERROR_PARSE_DUPLICATE_MACH_PORT_MESSAGE = 4,
-    // Couldn't get a task port for the process with a given pid.
-    ERROR_TASK_FOR_PID = 5,
-    // Couldn't make a port with receive rights in the destination process.
-    ERROR_MAKE_RECEIVE_PORT = 6,
-    // Couldn't change the attributes of a Mach port.
-    ERROR_SET_ATTRIBUTES = 7,
-    // Couldn't extract a right from the destination.
-    ERROR_EXTRACT_DEST_RIGHT = 8,
-    // Couldn't send a Mach port in a call to mach_msg().
-    ERROR_SEND_MACH_PORT = 9,
-    // Couldn't decrease the ref count on a Mach port.
-    ERROR_DECREASE_REF = 10,
-    // Couldn't extract a right from the source.
-    ERROR_EXTRACT_SOURCE_RIGHT = 11,
-    // The broker did not have a channel of communication with the source
-    // process.
-    ERROR_SOURCE_NOT_FOUND = 12,
-    // The broker could not open the source or destination process with extra
-    // privileges.
-    ERROR_COULD_NOT_OPEN_SOURCE_OR_DEST = 13,
-    // The broker was asked to transfer a HANDLE with invalid permissions.
-    ERROR_INVALID_PERMISSIONS = 14,
-    // The broker was not immediately able to send an attachment.
-    DELAYED = 15,
-    // The broker successfully sent a delayed attachment.
-    DELAYED_SEND = 16,
-    ERROR_MAX
-  };
-
-  // Emits an UMA metric.
-  void LogError(UMAError error);
-
- private:
-  // A vector of Endpoints, and the SingleThreadTaskRunner that should be used
-  // to invoke Send() on each Endpoint.
-  std::vector<EndpointRunnerPair> endpoints_;
-  DISALLOW_COPY_AND_ASSIGN(AttachmentBrokerPrivileged);
-};
-
-}  // namespace IPC
-
-#endif  // IPC_ATTACHMENT_BROKER_PRIVILEGED_H_