Remove old WebSocket implementation from content/

content/browser/renderer_host/socket_stream_host.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 CONTENT_BROWSER_RENDERER_HOST_SOCKET_STREAM_HOST_H_
-#define CONTENT_BROWSER_RENDERER_HOST_SOCKET_STREAM_HOST_H_
-
-#include <vector>
-
-#include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
-#include "content/browser/ssl/ssl_error_handler.h"
-#include "net/socket_stream/socket_stream.h"
-
-class GURL;
-
-namespace net {
-class SocketStreamJob;
-class URLRequestContext;
-class SSLInfo;
-}  // namespace net
-
-namespace content {
-
-// Host of SocketStreamHandle.  Each SocketStreamHandle will have an unique
-// socket_id assigned by SocketStreamHost constructor.  If socket id is
-// kNoSocketId, there is no SocketStreamHost.  Each SocketStreamHost has
-// SocketStream to manage bi-directional communication over socket stream.  The
-// lifetime of an instance of this class is completely controlled by the
-// SocketStreamDispatcherHost.
-class SocketStreamHost : public SSLErrorHandler::Delegate {
- public:
-  SocketStreamHost(net::SocketStream::Delegate* delegate,
-                   int child_id,
-                   int render_frame_id,
-                   int socket_id);
-  ~SocketStreamHost() override;
-
-  // Gets socket_id associated with |socket|.
-  static int SocketIdFromSocketStream(const net::SocketStream* socket);
-
-  int render_frame_id() const { return render_frame_id_; }
-  int socket_id() const { return socket_id_; }
-
-  // Starts to open connection to |url|.
-  void Connect(const GURL& url, net::URLRequestContext* request_context);
-
-  // Sends |data| over the socket stream.
-  // socket stream must be open to send data.
-  // Returns true if the data is put in transmit buffer in socket stream.
-  // Returns false otherwise (transmit buffer exceeds limit, or socket
-  // stream is closed).
-  bool SendData(const std::vector<char>& data);
-
-  // Closes the socket stream.
-  void Close();
-
-  base::WeakPtr<SSLErrorHandler::Delegate> AsSSLErrorHandlerDelegate();
-
-  // SSLErrorHandler::Delegate methods:
-  void CancelSSLRequest(int error, const net::SSLInfo* ssl_info) override;
-  void ContinueSSLRequest() override;
-
- private:
-  net::SocketStream::Delegate* delegate_;
-  int child_id_;
-  int render_frame_id_;
-  int socket_id_;
-
-  scoped_refptr<net::SocketStreamJob> job_;
-
-  base::WeakPtrFactory<SocketStreamHost> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(SocketStreamHost);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_RENDERER_HOST_SOCKET_STREAM_HOST_H_