Make QuicPacketWriter keep track of socket writability; expose the

net/tools/quic/test_tools/quic_dispatcher_peer.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 NET_TOOLS_QUIC_TEST_TOOLS_QUIC_DISPATCHER_PEER_H_
 #define NET_TOOLS_QUIC_TEST_TOOLS_QUIC_DISPATCHER_PEER_H_
 
 #include "net/quic/test_tools/quic_test_writer.h"
 #include "net/tools/quic/quic_dispatcher.h"
 
 namespace net {
 namespace tools {
 namespace test {
 
 class QuicDispatcherPeer {
  public:
   static void SetTimeWaitListManager(
       QuicDispatcher* dispatcher,
       QuicTimeWaitListManager* time_wait_list_manager);
 
-  static void SetWriteBlocked(QuicDispatcher* dispatcher);
-
   static void UseWriter(QuicDispatcher* dispatcher,
                         net::test::QuicTestWriter* writer);
 
   static QuicPacketWriter* GetWriter(QuicDispatcher* dispatcher);
 
   static QuicEpollConnectionHelper* GetHelper(QuicDispatcher* dispatcher);
 };
 
 }  // namespace test
 }  // namespace tools
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_TEST_TOOLS_QUIC_DISPATCHER_PEER_H_