Fix ref leak in WebSocketServerSocketImpl introduced in r115422.

net/socket/web_socket_server_socket.cc

 // Copyright (c) 2011 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.
 
 #include "net/socket/web_socket_server_socket.h"
 
 #include <algorithm>
 #include <deque>
 #include <limits>
 #include <map>
@@ skipping 708 matching lines @@
         memcpy(io_buf_->data() + bytes_written_, p, len);
         bytes_written_ += len;
         return true;
       }
 
       bool WriteLine(const char* p) {
         return Write(p, strlen(p)) && Write(kCRLF, strlen(kCRLF));
       }
 
       operator net::DrainableIOBuffer*() {
-        return new net::DrainableIOBuffer(io_buf_.release(), bytes_written_);
+        return new net::DrainableIOBuffer(io_buf_.get(), bytes_written_);
       }
 
       bool is_ok() { return is_ok_; }
 
      private:
       scoped_refptr<net::IOBuffer> io_buf_;
       size_t bytes_written_;
       bool is_ok_;
     } buffer;
 
@@ skipping 147 matching lines @@
 
 WebSocketServerSocket* CreateWebSocketServerSocket(
     Socket* transport_socket, WebSocketServerSocket::Delegate* delegate) {
   return new WebSocketServerSocketImpl(transport_socket, delegate);
 }
 
 WebSocketServerSocket::~WebSocketServerSocket() {
 }
 
 }  // namespace net;