Revert "Move mojo edk into mojo/edk"

mojo/edk/system/local_message_pipe_endpoint.h

-// Copyright 2013 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_LOCAL_MESSAGE_PIPE_ENDPOINT_H_
-#define MOJO_EDK_SYSTEM_LOCAL_MESSAGE_PIPE_ENDPOINT_H_
-
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "mojo/edk/system/handle_signals_state.h"
-#include "mojo/edk/system/message_in_transit_queue.h"
-#include "mojo/edk/system/message_pipe_endpoint.h"
-#include "mojo/edk/system/system_impl_export.h"
-#include "mojo/edk/system/waiter_list.h"
-
-namespace mojo {
-namespace system {
-
-class MOJO_SYSTEM_IMPL_EXPORT LocalMessagePipeEndpoint
-    : public MessagePipeEndpoint {
- public:
-  LocalMessagePipeEndpoint();
-  virtual ~LocalMessagePipeEndpoint();
-
-  // |MessagePipeEndpoint| implementation:
-  virtual Type GetType() const override;
-  virtual bool OnPeerClose() override;
-  virtual void EnqueueMessage(scoped_ptr<MessageInTransit> message) override;
-
-  // There's a dispatcher for |LocalMessagePipeEndpoint|s, so we have to
-  // implement/override these:
-  virtual void Close() override;
-  virtual void CancelAllWaiters() override;
-  virtual MojoResult ReadMessage(UserPointer<void> bytes,
-                                 UserPointer<uint32_t> num_bytes,
-                                 DispatcherVector* dispatchers,
-                                 uint32_t* num_dispatchers,
-                                 MojoReadMessageFlags flags) override;
-  virtual HandleSignalsState GetHandleSignalsState() const override;
-  virtual MojoResult AddWaiter(Waiter* waiter,
-                               MojoHandleSignals signals,
-                               uint32_t context,
-                               HandleSignalsState* signals_state) override;
-  virtual void RemoveWaiter(Waiter* waiter,
-                            HandleSignalsState* signals_state) override;
-
-  // This is only to be used by |MessagePipe|:
-  MessageInTransitQueue* message_queue() { return &message_queue_; }
-
- private:
-  bool is_open_;
-  bool is_peer_open_;
-
-  // Queue of incoming messages.
-  MessageInTransitQueue message_queue_;
-  WaiterList waiter_list_;
-
-  DISALLOW_COPY_AND_ASSIGN(LocalMessagePipeEndpoint);
-};
-
-}  // namespace system
-}  // namespace mojo
-
-#endif  // MOJO_EDK_SYSTEM_LOCAL_MESSAGE_PIPE_ENDPOINT_H_