Reafctor to use 'const RawAddr&' or 'RawAddr*' in the eventhandler code

runtime/bin/secure_socket.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_SECURE_SOCKET_H_
 #define BIN_SECURE_SOCKET_H_
 
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
@@ skipping 41 matching lines @@
         string_start_(NULL),
         string_length_(NULL),
         handshake_complete_(NULL),
         bad_certificate_callback_(NULL),
         in_handshake_(false),
         client_certificate_name_(NULL),
         filter_(NULL) { }
 
   void Init(Dart_Handle dart_this);
   void Connect(const char* host,
-               RawAddr* raw_addr,
+               const RawAddr& raw_addr,
                int port,
                bool is_server,
                const char* certificate_name,
                bool request_client_certificate,
                bool require_client_certificate,
                bool send_client_certificate,
                Dart_Handle protocols_handle);
   void Destroy();
   void Handshake();
   void GetSelectedProtocol(Dart_NativeArguments args);
@@ skipping 47 matching lines @@
   void InitializeBuffers(Dart_Handle dart_this);
   void InitializePlatformData();
 
   DISALLOW_COPY_AND_ASSIGN(SSLFilter);
 };
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // BIN_SECURE_SOCKET_H_