Drop Hixie76 support from WebSocketServer.

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 {
+class WebSocket final {
  public:
   enum ParseResult {
     FRAME_OK,
     FRAME_INCOMPLETE,
     FRAME_CLOSE,
     FRAME_ERROR
   };
 
   static WebSocket* CreateWebSocket(HttpServer* server,
                                     HttpConnection* connection,
                                     const HttpServerRequestInfo& request,
                                     size_t* pos);
 
-  virtual void Accept(const HttpServerRequestInfo& request) = 0;
-  virtual ParseResult Read(std::string* message) = 0;
-  virtual void Send(const std::string& message) = 0;
-  virtual ~WebSocket();
+  void Accept(const HttpServerRequestInfo& request);
+  ParseResult Read(std::string* message);
+  void Send(const std::string& message);
+  ~WebSocket();
 
- protected:
-  WebSocket(HttpServer* server, HttpConnection* connection);
+ private:
+  WebSocket(HttpServer* server,
+            HttpConnection* connection,
+            const HttpServerRequestInfo& request,
+            size_t* pos);
 
   HttpServer* const server_;
   HttpConnection* const connection_;
+  scoped_ptr<WebSocketEncoder> encoder_;
+  std::string response_extensions_;
+  bool closed_;
 
- private:
   DISALLOW_COPY_AND_ASSIGN(WebSocket);
 };
 
 }  // namespace net
 
 #endif  // NET_SERVER_WEB_SOCKET_H_