Introduce optional 'bool shared' parameter to ServerSocket.bind() ...

dart/runtime/bin/eventhandler_linux.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef BIN_EVENTHANDLER_LINUX_H_
 #define BIN_EVENTHANDLER_LINUX_H_
 
 #if !defined(BIN_EVENTHANDLER_H_)
 #error Do not include eventhandler_linux.h directly; use eventhandler.h instead.
 #endif
@@ skipping 68 matching lines @@
     explicit Entry(const T& t) : t(t) {}
     const T t;
     Entry* next_;
     Entry* prev_;
   };
 
   Entry* head_;
 };
 
 
-class ListeningSocketData;
 class SocketData {
  public:
   explicit SocketData(intptr_t fd)
       : fd_(fd), port_(0), mask_(0), tokens_(16) {
     ASSERT(fd_ != -1);
   }
 
   virtual ~SocketData() {
   }
 
@@ skipping 193 matching lines @@
   bool shutdown_;
   int interrupt_fds_[2];
   int epoll_fd_;
   int timer_fd_;
 };
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // BIN_EVENTHANDLER_LINUX_H_