net: Cleanup class/struct forward declarations

net/quic/test_tools/simulator/actor.h

 // Copyright (c) 2012 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 NET_QUIC_TEST_TOOLS_SIMULATOR_ACTOR_H_
 #define NET_QUIC_TEST_TOOLS_SIMULATOR_ACTOR_H_
 
 #include <string>
 
 #include "net/quic/core/quic_clock.h"
 #include "net/quic/core/quic_time.h"
 
 namespace net {
 namespace simulator {
 
 class Simulator;
-struct ScheduledActor;
 
 // Actor is the base class for all participants of the simulation which can
 // schedule events to be triggered at the specified time.  Every actor has a
 // name assigned to it, which can be used for debugging and addressing purposes.
 //
 // The Actor object is scheduled as follows:
 // 1. Every Actor object appears at most once in the event queue, for one
 //    specific time.
 // 2. Actor is scheduled by calling Schedule() method.
 // 3. If Schedule() method is called with multiple different times specified,
@@ skipping 30 matching lines @@
   Actor(Actor&&) = delete;
   Actor& operator=(Actor&&) = delete;
 
   DISALLOW_COPY_AND_ASSIGN(Actor);
 };
 
 }  // namespace simulator
 }  // namespace net
 
 #endif  // NET_QUIC_TEST_TOOLS_SIMULATOR_ACTOR_H_