[mojo] Delete third_party/mojo

third_party/mojo/src/mojo/edk/system/channel_manager.h

Index: third_party/mojo/src/mojo/edk/system/channel_manager.h
diff --git a/third_party/mojo/src/mojo/edk/system/channel_manager.h b/third_party/mojo/src/mojo/edk/system/channel_manager.h
deleted file mode 100644
index 360996f7f352d936c2c639d460a8f4868a684db3..0000000000000000000000000000000000000000
--- a/third_party/mojo/src/mojo/edk/system/channel_manager.h
+++ /dev/null
@@ -1,178 +0,0 @@
-// 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.
-
-#ifndef THIRD_PARTY_MOJO_SRC_MOJO_EDK_SYSTEM_CHANNEL_MANAGER_H_
-#define THIRD_PARTY_MOJO_SRC_MOJO_EDK_SYSTEM_CHANNEL_MANAGER_H_
-
-#include <stdint.h>
-
-#include "base/callback_forward.h"
-#include "base/containers/hash_tables.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
-#include "mojo/public/cpp/system/macros.h"
-#include "third_party/mojo/src/mojo/edk/embedder/scoped_platform_handle.h"
-#include "third_party/mojo/src/mojo/edk/system/channel_id.h"
-#include "third_party/mojo/src/mojo/edk/system/mutex.h"
-
-namespace base {
-class TaskRunner;
-}
-
-namespace mojo {
-
-namespace embedder {
-class PlatformSupport;
-}
-
-namespace system {
-
-class Channel;
-class ChannelEndpoint;
-class ConnectionManager;
-class MessagePipeDispatcher;
-
-// This class manages and "owns" |Channel|s (which typically connect to other
-// processes) for a given process. This class is thread-safe, except as
-// specifically noted.
-class MOJO_SYSTEM_IMPL_EXPORT ChannelManager {
- public:
-  // |io_thread_task_runner| should be the |TaskRunner| for the I/O thread, on
-  // which this channel manager will create all channels. Connection manager is
-  // optional and may be null. All arguments (if non-null) must remain alive at
-  // least until after shutdown completion.
-  ChannelManager(embedder::PlatformSupport* platform_support,
-                 scoped_refptr<base::TaskRunner> io_thread_task_runner,
-                 ConnectionManager* connection_manager);
-  ~ChannelManager();
-
-  // Shuts down the channel manager, including shutting down all channels (as if
-  // |ShutdownChannelOnIOThread()| were called for each channel). This must be
-  // called from the I/O thread (given to the constructor) and completes
-  // synchronously. This, or |Shutdown()|, must be called before destroying this
-  // object.
-  void ShutdownOnIOThread();
-
-  // Like |ShutdownOnIOThread()|, but may be called from any thread. On
-  // completion, will call |callback| ("on" |io_thread_task_runner| if
-  // |callback_thread_task_runner| is null else by posted using
-  // |callback_thread_task_runner|). Note: This will always post a task to the
-  // I/O thread, even it is the current thread.
-  // TODO(vtl): Consider if this is really necessary, since it only has one use
-  // (in tests).
-  void Shutdown(const base::Closure& callback,
-                scoped_refptr<base::TaskRunner> callback_thread_task_runner);
-
-  // Creates a |Channel| and adds it to the set of channels managed by this
-  // |ChannelManager|. This must be called from the I/O thread (given to the
-  // constructor). |channel_id| should be a valid |ChannelId| (i.e., nonzero)
-  // not "assigned" to any other |Channel| being managed by this
-  // |ChannelManager|.
-  scoped_refptr<MessagePipeDispatcher> CreateChannelOnIOThread(
-      ChannelId channel_id,
-      embedder::ScopedPlatformHandle platform_handle);
-
-  // Like |CreateChannelOnIOThread()|, but doesn't create a bootstrap message
-  // pipe. Returns the newly-created |Channel|.
-  // TODO(vtl): Maybe get rid of the others (and bootstrap message pipes in
-  // general).
-  scoped_refptr<Channel> CreateChannelWithoutBootstrapOnIOThread(
-      ChannelId channel_id,
-      embedder::ScopedPlatformHandle platform_handle);
-
-  // Like |CreateChannelOnIOThread()|, but may be called from any thread. On
-  // completion, will call |callback| (using |callback_thread_task_runner| if it
-  // is non-null, else on the I/O thread). Note: This will always post a task to
-  // the I/O thread, even if called from that thread.
-  scoped_refptr<MessagePipeDispatcher> CreateChannel(
-      ChannelId channel_id,
-      embedder::ScopedPlatformHandle platform_handle,
-      const base::Closure& callback,
-      scoped_refptr<base::TaskRunner> callback_thread_task_runner);
-
-  // Gets the |Channel| with the given ID (which must exist).
-  scoped_refptr<Channel> GetChannel(ChannelId channel_id) const;
-
-  // Informs the channel manager (and thus channel) that it will be shutdown
-  // soon (by calling |ShutdownChannel()|). Calling this is optional (and may in
-  // fact be called multiple times) but it will suppress certain warnings (e.g.,
-  // for the channel being broken) and enable others (if messages are written to
-  // the channel).
-  void WillShutdownChannel(ChannelId channel_id);
-
-  // Shuts down the channel specified by the given ID. This, or
-  // |ShutdownChannel()|, should be called once per channel (created using
-  // |CreateChannelOnIOThread()| or |CreateChannel()|). This must be called from
-  // the I/O thread.
-  void ShutdownChannelOnIOThread(ChannelId channel_id);
-
-  // Like |ShutdownChannelOnIOThread()|, but may be called from any thread. It
-  // will always post a task to the I/O thread, and post |callback| to
-  // |callback_thread_task_runner| (or execute it directly on the I/O thread if
-  // |callback_thread_task_runner| is null) on completion.
-  void ShutdownChannel(
-      ChannelId channel_id,
-      const base::Closure& callback,
-      scoped_refptr<base::TaskRunner> callback_thread_task_runner);
-
-  ConnectionManager* connection_manager() const { return connection_manager_; }
-
- private:
-  // Used by |ShutdownChannel()|. Called on the I/O thread.
-  void ShutdownChannelHelper(
-      ChannelId channel_id,
-      const base::Closure& callback,
-      scoped_refptr<base::TaskRunner> callback_thread_task_runner);
-
-  // Used by |Shutdown()|. Called on the I/O thread.
-  void ShutdownHelper(
-      const base::Closure& callback,
-      scoped_refptr<base::TaskRunner> callback_thread_task_runner);
-
-  // Used by |CreateChannelOnIOThread()| and |CreateChannelHelper()|. Called on
-  // the I/O thread. |bootstrap_channel_endpoint| is optional and may be null.
-  // Returns the newly-created |Channel|.
-  scoped_refptr<Channel> CreateChannelOnIOThreadHelper(
-      ChannelId channel_id,
-      embedder::ScopedPlatformHandle platform_handle,
-      scoped_refptr<system::ChannelEndpoint> bootstrap_channel_endpoint);
-
-  // Used by |CreateChannel()|. Called on the I/O thread.
-  static void CreateChannelHelper(
-      base::WeakPtr<ChannelManager> channel_manager,
-      ChannelId channel_id,
-      embedder::ScopedPlatformHandle platform_handle,
-      scoped_refptr<system::ChannelEndpoint> bootstrap_channel_endpoint,
-      const base::Closure& callback,
-      scoped_refptr<base::TaskRunner> callback_thread_task_runner);
-
-  // Note: These must not be used after shutdown.
-  embedder::PlatformSupport* const platform_support_;
-  const scoped_refptr<base::TaskRunner> io_thread_task_runner_;
-  ConnectionManager* const connection_manager_;
-
-  // Note: |Channel| methods should not be called under |mutex_|.
-  // TODO(vtl): Annotate the above rule using |MOJO_ACQUIRED_{BEFORE,AFTER}()|,
-  // once clang actually checks such annotations.
-  // https://github.com/domokit/mojo/issues/313
-  mutable Mutex mutex_;
-
-  using ChannelIdToChannelMap =
-      base::hash_map<ChannelId, scoped_refptr<Channel>>;
-  ChannelIdToChannelMap channels_ MOJO_GUARDED_BY(mutex_);
-
-  // Weak pointer for posting a task to the IO thread. Must only be dereferenced
-  // on the IO thread.
-  base::WeakPtr<ChannelManager> weak_ptr_;
-  // Factory for weak pointer. Must be invalidated on the IO thread prior to
-  // destruction.
-  base::WeakPtrFactory<ChannelManager> weak_factory_;
-
-  MOJO_DISALLOW_COPY_AND_ASSIGN(ChannelManager);
-};
-
-}  // namespace system
-}  // namespace mojo
-
-#endif  // THIRD_PARTY_MOJO_SRC_MOJO_EDK_SYSTEM_CHANNEL_MANAGER_H_