Refactor QuicCryptoServerStream.

net/tools/quic/quic_dispatcher.h

Index: net/tools/quic/quic_dispatcher.h
diff --git a/net/tools/quic/quic_dispatcher.h b/net/tools/quic/quic_dispatcher.h
index 59f229bbffa1c7d461802193d8ec92b5bbc45da0..e81e0a71534f34bd0006d97554eb99ba06416c30 100644
--- a/net/tools/quic/quic_dispatcher.h
+++ b/net/tools/quic/quic_dispatcher.h
@@ -20,6 +20,7 @@
 #include "net/quic/core/quic_blocked_writer_interface.h"
 #include "net/quic/core/quic_buffered_packet_store.h"
 #include "net/quic/core/quic_connection.h"
+#include "net/quic/core/quic_crypto_server_stream.h"
 #include "net/quic/core/quic_protocol.h"
 #include "net/quic/core/quic_server_session_base.h"
 
@@ -31,7 +32,6 @@ namespace net {
 
 class QuicConfig;
 class QuicCryptoServerConfig;
-class QuicServerSessionBase;
 
 namespace test {
 class QuicDispatcherPeer;
@@ -53,7 +53,7 @@ class QuicDispatcher : public QuicServerSessionBase::Visitor,
                  const QuicCryptoServerConfig* crypto_config,
                  QuicVersionManager* version_manager,
                  std::unique_ptr<QuicConnectionHelperInterface> helper,
-                 std::unique_ptr<QuicServerSessionBase::Helper> session_helper,
+                 std::unique_ptr<QuicCryptoServerStream::Helper> session_helper,
                  std::unique_ptr<QuicAlarmFactory> alarm_factory);
 
   ~QuicDispatcher() override;
@@ -227,7 +227,7 @@ class QuicDispatcher : public QuicServerSessionBase::Visitor,
 
   QuicConnectionHelperInterface* helper() { return helper_.get(); }
 
-  QuicServerSessionBase::Helper* session_helper() {
+  QuicCryptoServerStream::Helper* session_helper() {
     return session_helper_.get();
   }
 
@@ -328,7 +328,7 @@ class QuicDispatcher : public QuicServerSessionBase::Visitor,
   std::unique_ptr<QuicConnectionHelperInterface> helper_;
 
   // The helper used for all sessions.
-  std::unique_ptr<QuicServerSessionBase::Helper> session_helper_;
+  std::unique_ptr<QuicCryptoServerStream::Helper> session_helper_;
 
   // Creates alarms.
   std::unique_ptr<QuicAlarmFactory> alarm_factory_;