Add HttpStreamFactory Job orphaning semantics.

net/http/http_stream_factory_impl_job.h

 // Copyright (c) 2011 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_IMPL_JOB_H_
 #define NET_HTTP_HTTP_STREAM_FACTORY_IMPL_JOB_H_
 
 #include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
 #include "base/task.h"
@@ skipping 39 matching lines @@
 
   int Preconnect(int num_streams,
                  const HttpRequestInfo& request_info,
                  const SSLConfig& ssl_config,
                  const BoundNetLog& net_log);
 
   int RestartTunnelWithProxyAuth(const string16& username,
                                  const string16& password);
   LoadState GetLoadState() const;
 
+  void Orphan(const Request* request);
+
   bool was_alternate_protocol_available() const;
   bool was_npn_negotiated() const;
   bool using_spdy() const;
   const BoundNetLog& net_log() const { return net_log_; }
 
   const SSLConfig& ssl_config() const;
   const ProxyInfo& proxy_info() const;
 
   // Indicates whether or not this job is performing a preconnect.
   bool IsPreconnecting() const;
 
+  // Indicates whether or not this Job has been orphaned by a Request.
+  bool IsOrphaned() const;
+
  private:
   enum AlternateProtocolMode {
     kUnspecified,  // Unspecified, check HttpAlternateProtocols
     kUsingAlternateProtocol,  // Using an alternate protocol
     kDoNotUseAlternateProtocol,  // Failed to connect once, do not try again.
   };
 
   enum State {
     STATE_RESOLVE_PROXY,
     STATE_RESOLVE_PROXY_COMPLETE,
@@ skipping 161 matching lines @@
   bool spdy_session_direct_;
 
   ScopedRunnableMethodFactory<Job> method_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Job);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_STREAM_FACTORY_IMPL_JOB_H_