Generalize the net module's LoadLog facility from a passive container, to an event stream (NetLog).

net/spdy/spdy_stream.h

 // Copyright (c) 2010 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_SPDY_SPDY_STREAM_H_
 #define NET_SPDY_SPDY_STREAM_H_
 
 #include <string>
 #include <list>
 
 #include "base/basictypes.h"
 #include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
 #include "base/singleton.h"
 #include "net/base/bandwidth_metrics.h"
 #include "net/base/completion_callback.h"
 #include "net/base/io_buffer.h"
-#include "net/base/load_log.h"
+#include "net/base/net_log.h"
 #include "net/spdy/spdy_framer.h"
 #include "net/spdy/spdy_protocol.h"
 
 namespace net {
 
 class HttpRequestInfo;
 class HttpResponseInfo;
 class SpdySession;
 class UploadData;
 class UploadDataStream;
 
 // The SpdyStream is used by the SpdySession to represent each stream known
 // on the SpdySession.
 // Streams can be created either by the client or by the server.  When they
 // are initiated by the client, both the SpdySession and client object (such as
 // a SpdyNetworkTransaction) will maintain a reference to the stream.  When
 // initiated by the server, only the SpdySession will maintain any reference,
 // until such a time as a client object requests a stream for the path.
 class SpdyStream : public base::RefCounted<SpdyStream> {
  public:
   // SpdyStream constructor
   SpdyStream(SpdySession* session, spdy::SpdyStreamId stream_id, bool pushed,
-             LoadLog* log);
+             const BoundNetLog& log);
 
   // Ideally I'd use two abstract classes as interfaces for these two sections,
   // but since we're ref counted, I can't make both abstract classes inherit
   // from RefCounted or we'll have two separate ref counts for the same object.
   // TODO(willchan): Consider using linked_ptr here orcreating proxy wrappers
   // for SpdyStream to provide the appropriate interface.
 
   // ===================================================
   // Interface for [Http|Spdy]NetworkTransaction to use.
 
@@ skipping 139 matching lines @@
   int response_status_;
 
   CompletionCallback* user_callback_;
 
   // User provided buffer for the ReadResponseBody() response.
   scoped_refptr<IOBuffer> user_buffer_;
   int user_buffer_len_;
 
   bool cancelled_;
 
-  scoped_refptr<LoadLog> load_log_;
+  BoundNetLog net_log_;
 
   base::TimeTicks send_time_;
   base::TimeTicks recv_first_byte_time_;
   base::TimeTicks recv_last_byte_time_;
   int send_bytes_;
   int recv_bytes_;
   bool histograms_recorded_;
 
   // Is there a scheduled read callback pending.
   bool buffered_read_callback_pending_;
   // Has more data been received from the network during the wait for the
   // scheduled read callback.
   bool more_read_data_pending_;
 
   DISALLOW_COPY_AND_ASSIGN(SpdyStream);
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_STREAM_H_