Mojo: Move waiting APIs to public library

mojo/edk/system/data_pipe_consumer_dispatcher.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_DATA_PIPE_CONSUMER_DISPATCHER_H_
 #define MOJO_EDK_SYSTEM_DATA_PIPE_CONSUMER_DISPATCHER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/synchronization/lock.h"
 #include "mojo/edk/embedder/platform_handle_vector.h"
 #include "mojo/edk/embedder/platform_shared_buffer.h"
 #include "mojo/edk/embedder/scoped_platform_handle.h"
-#include "mojo/edk/system/awakable_list.h"
 #include "mojo/edk/system/dispatcher.h"
 #include "mojo/edk/system/ports/port_ref.h"
 #include "mojo/edk/system/system_impl_export.h"
 #include "mojo/edk/system/watcher_set.h"
 
 namespace mojo {
 namespace edk {
 
 class NodeController;
 
@@ skipping 19 matching lines @@
                       MojoReadDataFlags flags) override;
   MojoResult BeginReadData(const void** buffer,
                            uint32_t* buffer_num_bytes,
                            MojoReadDataFlags flags) override;
   MojoResult EndReadData(uint32_t num_bytes_read) override;
   HandleSignalsState GetHandleSignalsState() const override;
   MojoResult AddWatcherRef(const scoped_refptr<WatcherDispatcher>& watcher,
                            uintptr_t context) override;
   MojoResult RemoveWatcherRef(WatcherDispatcher* watcher,
                               uintptr_t context) override;
-  MojoResult AddAwakable(Awakable* awakable,
-                         MojoHandleSignals signals,
-                         uintptr_t context,
-                         HandleSignalsState* signals_state) override;
-  void RemoveAwakable(Awakable* awakable,
-                      HandleSignalsState* signals_state) override;
   void StartSerialize(uint32_t* num_bytes,
                       uint32_t* num_ports,
                       uint32_t* num_handles) override;
   bool EndSerialize(void* destination,
                     ports::PortName* ports,
                     PlatformHandle* handles) override;
   bool BeginTransit() override;
   void CompleteTransitAndClose() override;
   void CancelTransit() override;
 
@@ skipping 19 matching lines @@
   void UpdateSignalsStateNoLock();
 
   const MojoCreateDataPipeOptions options_;
   NodeController* const node_controller_;
   const ports::PortRef control_port_;
   const uint64_t pipe_id_;
 
   // Guards access to the fields below.
   mutable base::Lock lock_;
 
-  AwakableList awakable_list_;
   WatcherSet watchers_;
 
   scoped_refptr<PlatformSharedBuffer> shared_ring_buffer_;
   std::unique_ptr<PlatformSharedBufferMapping> ring_buffer_mapping_;
   ScopedPlatformHandle buffer_handle_for_transit_;
 
   bool in_two_phase_read_ = false;
   uint32_t two_phase_max_bytes_read_ = 0;
 
   bool in_transit_ = false;
   bool is_closed_ = false;
   bool peer_closed_ = false;
   bool transferred_ = false;
 
   uint32_t read_offset_ = 0;
   uint32_t bytes_available_ = 0;
 
   // Indicates whether any new data is available since the last read attempt.
   bool new_data_available_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(DataPipeConsumerDispatcher);
 };
 
 }  // namespace edk
 }  // namespace mojo
 
 #endif  // MOJO_EDK_SYSTEM_DATA_PIPE_CONSUMER_DISPATCHER_H_