Returning scoped_ptr<> instead of raw pointer in WebSocket::CreateWebSocket

net/server/web_socket.h

 // Copyright (c) 2012 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_SERVER_WEB_SOCKET_H_
 #define NET_SERVER_WEB_SOCKET_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_piece.h"
 
 namespace net {
 
 class HttpConnection;
 class HttpServer;
 class HttpServerRequestInfo;
 class WebSocketEncoder;
 
 class WebSocket final {
  public:
   enum ParseResult {
     FRAME_OK,
     FRAME_INCOMPLETE,
     FRAME_CLOSE,
     FRAME_ERROR
   };
 
-  static WebSocket* CreateWebSocket(HttpServer* server,
-                                    HttpConnection* connection,
-                                    const HttpServerRequestInfo& request);
+  static scoped_ptr<WebSocket> CreateWebSocket(
+      HttpServer* server,
+      HttpConnection* connection,
+      const HttpServerRequestInfo& request);
 
   void Accept(const HttpServerRequestInfo& request);
   ParseResult Read(std::string* message);
   void Send(const std::string& message);
   ~WebSocket();
 
  private:
   WebSocket(HttpServer* server,
             HttpConnection* connection,
             const HttpServerRequestInfo& request);
 
   HttpServer* const server_;
   HttpConnection* const connection_;
   scoped_ptr<WebSocketEncoder> encoder_;
   std::string response_extensions_;
   bool closed_;
 
   DISALLOW_COPY_AND_ASSIGN(WebSocket);
 };
 
 }  // namespace net
 
 #endif  // NET_SERVER_WEB_SOCKET_H_