Add WebSocketStream factory function

net/websockets/websocket_stream_base.h

 // Copyright 2013 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_WEBSOCKETS_WEBSOCKET_STREAM_BASE_H_
 #define NET_WEBSOCKETS_WEBSOCKET_STREAM_BASE_H_
 
 // This file is included from net/http files.
 // Since net/http can be built without linking net/websockets code,
 // this file should not depend on net/websockets.
 
 #include <base/basictypes.h>
 
 namespace net {
 
 class ClientSocketHandle;
 class SpdySession;
 class WebSocketStream;
 
 // WebSocketStreamBase is the base class of WebSocketStream.
 // net/http code uses this interface to handle WebSocketStream.
-class WebSocketStreamBase {
+class NET_EXPORT WebSocketStreamBase {
  public:
   class Factory {
    public:
     virtual ~Factory() {}
 
     // Create a WebSocketBasicStream.
     // This function (or the returned object) takes the ownership
     // of |connection|.
     virtual WebSocketStreamBase* CreateBasicStream(
         ClientSocketHandle* connection,
@@ skipping 13 matching lines @@
  protected:
   WebSocketStreamBase() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WebSocketStreamBase);
 };
 
 }  // namespace net
 
 #endif  // NET_WEBSOCKETS_WEBSOCKET_STREAM_BASE_H_