Revert of Update mojo sdk to rev afb4440fd5a10cba980878c326180b7ad7960480

mojo/edk/system/channel_manager.h

Index: mojo/edk/system/channel_manager.h
diff --git a/mojo/edk/system/channel_manager.h b/mojo/edk/system/channel_manager.h
deleted file mode 100644
index 244f8add8e80638cf1bb0bb8957c718a7a97ec52..0000000000000000000000000000000000000000
--- a/mojo/edk/system/channel_manager.h
+++ /dev/null
@@ -1,74 +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 MOJO_EDK_SYSTEM_CHANNEL_MANAGER_H_
-#define MOJO_EDK_SYSTEM_CHANNEL_MANAGER_H_
-
-#include <stdint.h>
-
-#include "base/containers/hash_tables.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/synchronization/lock.h"
-#include "base/task_runner.h"
-#include "mojo/edk/system/channel.h"
-#include "mojo/edk/system/channel_info.h"
-
-namespace mojo {
-namespace system {
-
-// IDs for |Channel|s managed by a |ChannelManager|. (IDs should be thought of
-// as specific to a given |ChannelManager|.) 0 is never a valid ID.
-//
-// Note: We currently just use the pointer of the |Channel| casted to a
-// |uintptr_t|, but we reserve the right to change this.
-typedef uintptr_t ChannelId;
-
-// This class manages and "owns" |Channel|s (which typically connect to other
-// processes) for a given process. This class is thread-safe.
-class MOJO_SYSTEM_IMPL_EXPORT ChannelManager {
- public:
-  ChannelManager();
-  ~ChannelManager();
-
-  // Gets the ID for a given channel.
-  //
-  // Note: This is currently a static method and thus may be called under
-  // |lock_|. If this is ever made non-static (i.e., made specific to a given
-  // |ChannelManager|), those call sites may have to changed.
-  static ChannelId GetChannelId(const Channel* channel) {
-    return reinterpret_cast<ChannelId>(channel);
-  }
-
-  // Adds |channel| to the set of |Channel|s managed by this |ChannelManager|;
-  // |channel_thread_task_runner| should be the task runner for |channel|'s
-  // creation (a.k.a. I/O) thread.
-  //
-  // |channel| should either already be initialized or at least already have a
-  // task posted to |channel_thread_task_runner| to initialize it. It should not
-  // be managed by any |ChannelManager| yet.
-  //
-  // Returns the ID for the added channel.
-  ChannelId AddChannel(
-      scoped_refptr<Channel> channel,
-      scoped_refptr<base::TaskRunner> channel_thread_task_runner);
-
-  // Shuts down the channel specified by the given ID. It is up to the caller to
-  // guarantee that this is only called once per channel (that was added using
-  // |AddChannel()|).
-  void ShutdownChannel(ChannelId channel_id);
-
- private:
-  // Note: |Channel| methods should not be called under |lock_|.
-  base::Lock lock_;  // Protects the members below.
-
-  base::hash_map<ChannelId, ChannelInfo> channel_infos_;
-
-  DISALLOW_COPY_AND_ASSIGN(ChannelManager);
-};
-
-}  // namespace system
-}  // namespace mojo
-
-#endif  // MOJO_EDK_SYSTEM_CHANNEL_MANAGER_H_