Return Request as unique_ptr from JobController::Start().

net/http/http_stream_factory.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_HTTP_HTTP_STREAM_FACTORY_H_
 #define NET_HTTP_HTTP_STREAM_FACTORY_H_
 
 #include <list>
 #include <memory>
 #include <string>
@@ skipping 185 matching lines @@
   virtual ~HttpStreamFactory();
 
   void ProcessAlternativeServices(HttpNetworkSession* session,
                                   const HttpResponseHeaders* headers,
                                   const url::SchemeHostPort& http_server);
 
   // Virtual interface methods.
 
   // Request a stream.
   // Will call delegate->OnStreamReady on successful completion.
-  virtual HttpStreamRequest* RequestStream(
+  virtual std::unique_ptr<HttpStreamRequest> RequestStream(
       const HttpRequestInfo& info,
       RequestPriority priority,
       const SSLConfig& server_ssl_config,
       const SSLConfig& proxy_ssl_config,
       HttpStreamRequest::Delegate* delegate,
       bool enable_ip_based_pooling,
       bool enable_alternative_services,
       const NetLogWithSource& net_log) = 0;
 
   // Request a WebSocket handshake stream.
   // Will call delegate->OnWebSocketHandshakeStreamReady on successful
   // completion.
-  virtual HttpStreamRequest* RequestWebSocketHandshakeStream(
+  virtual std::unique_ptr<HttpStreamRequest> RequestWebSocketHandshakeStream(
       const HttpRequestInfo& info,
       RequestPriority priority,
       const SSLConfig& server_ssl_config,
       const SSLConfig& proxy_ssl_config,
       HttpStreamRequest::Delegate* delegate,
       WebSocketHandshakeStreamBase::CreateHelper* create_helper,
       bool enable_ip_based_pooling,
       bool enable_alternative_services,
       const NetLogWithSource& net_log) = 0;
 
   // Request a BidirectionalStreamImpl.
   // Will call delegate->OnBidirectionalStreamImplReady on successful
   // completion.
-  virtual HttpStreamRequest* RequestBidirectionalStreamImpl(
+  virtual std::unique_ptr<HttpStreamRequest> RequestBidirectionalStreamImpl(
       const HttpRequestInfo& info,
       RequestPriority priority,
       const SSLConfig& server_ssl_config,
       const SSLConfig& proxy_ssl_config,
       HttpStreamRequest::Delegate* delegate,
       bool enable_ip_based_pooling,
       bool enable_alternative_services,
       const NetLogWithSource& net_log) = 0;
 
   // Requests that enough connections for |num_streams| be opened.
@@ skipping 13 matching lines @@
 
  private:
   url::SchemeHostPort RewriteHost(const url::SchemeHostPort& server);
 
   DISALLOW_COPY_AND_ASSIGN(HttpStreamFactory);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_STREAM_FACTORY_H_