Added ProcessPacketInterface interface and QuicDispatcher is derived

net/tools/quic/quic_client.h

Index: net/tools/quic/quic_client.h
diff --git a/net/tools/quic/quic_client.h b/net/tools/quic/quic_client.h
index 13aff636ada902781c061467be435ea925d9f04f..de72e4c393408ee6b9960e5ba4671f4de69a0832 100644
--- a/net/tools/quic/quic_client.h
+++ b/net/tools/quic/quic_client.h
@@ -135,8 +135,6 @@ class QuicClient : public EpollCallbackInterface,
 
   const IPEndPoint& client_address() const { return client_address_; }
 
-  EpollServer* epoll_server() { return epoll_server_; }
-
   int fd() { return fd_; }
 
   const QuicServerId& server_id() const { return server_id_; }
@@ -184,6 +182,8 @@ class QuicClient : public EpollCallbackInterface,
                          IPEndPoint* server_address,
                          IPAddressNumber* client_ip);
 
+  EpollServer* epoll_server() { return epoll_server_; }
+
  private:
   friend class net::tools::test::QuicClientPeer;