Fix remaining incompatibilities between scoped_ptr and unique_ptr.

net/server/web_socket_encoder.h

 // Copyright 2014 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_ENCODER_H_
 #define NET_SERVER_WEB_SOCKET_ENCODER_H_
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 24 matching lines @@
   static scoped_ptr<WebSocketEncoder> CreateClient(
       const std::string& response_extensions);
 
   WebSocket::ParseResult DecodeFrame(const base::StringPiece& frame,
                                      int* bytes_consumed,
                                      std::string* output);
   void EncodeFrame(const std::string& frame,
                    int masking_key,
                    std::string* output);
 
-  bool deflate_enabled() const { return deflater_; }
+  bool deflate_enabled() const { return !!deflater_; }
 
  private:
   enum Type {
     FOR_SERVER,
     FOR_CLIENT,
   };
 
   WebSocketEncoder(Type type,
                    scoped_ptr<WebSocketDeflater> deflater,
                    scoped_ptr<WebSocketInflater> inflater);
 
   bool Inflate(std::string* message);
   bool Deflate(const std::string& message, std::string* output);
 
   Type type_;
   scoped_ptr<WebSocketDeflater> deflater_;
   scoped_ptr<WebSocketInflater> inflater_;
 
   DISALLOW_COPY_AND_ASSIGN(WebSocketEncoder);
 };
 
 }  // namespace net
 
 #endif  // NET_SERVER_WEB_SOCKET_ENCODER_H_