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

net/proxy/proxy_resolver.h

 // Copyright (c) 2009 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_PROXY_PROXY_RESOLVER_H_
 #define NET_PROXY_PROXY_RESOLVER_H_
 
 #include <string>
 
 #include "base/logging.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/completion_callback.h"
 
 namespace net {
 
-class LoadLog;
+class BoundNetLog;
 class ProxyInfo;
 
 // Interface for "proxy resolvers". A ProxyResolver fills in a list of proxies
 // to use for a particular URL. Generally the backend for a ProxyResolver is
 // a PAC script, but it doesn't need to be. ProxyResolver can service multiple
 // requests at a time.
 class ProxyResolver {
  public:
   // Opaque pointer type, to return a handle to cancel outstanding requests.
   typedef void* RequestHandle;
 
   // See |expects_pac_bytes()| for the meaning of |expects_pac_bytes|.
   explicit ProxyResolver(bool expects_pac_bytes)
       : expects_pac_bytes_(expects_pac_bytes) {}
 
   virtual ~ProxyResolver() {}
 
   // Gets a list of proxy servers to use for |url|. If the request will
   // complete asynchronously returns ERR_IO_PENDING and notifies the result
   // by running |callback|.  If the result code is OK then
   // the request was successful and |results| contains the proxy
   // resolution information.  In the case of asynchronous completion
   // |*request| is written to, and can be passed to CancelRequest().
   virtual int GetProxyForURL(const GURL& url,
                              ProxyInfo* results,
                              CompletionCallback* callback,
                              RequestHandle* request,
-                             LoadLog* load_log) = 0;
+                             const BoundNetLog& net_log) = 0;
 
   // Cancels |request|.
   virtual void CancelRequest(RequestHandle request) = 0;
 
   // The PAC script backend can be specified to the ProxyResolver either via
   // URL, or via the javascript text itself.  If |expects_pac_bytes| is true,
   // then PAC scripts should be specified using SetPacScriptByData(). Otherwise
   // they should be specified using SetPacScriptByUrl().
   bool expects_pac_bytes() const { return expects_pac_bytes_; }
 
@@ skipping 31 matching lines @@
                            CompletionCallback* callback) = 0;
 
   const bool expects_pac_bytes_;
 
   DISALLOW_COPY_AND_ASSIGN(ProxyResolver);
 };
 
 }  // namespace net
 
 #endif  // NET_PROXY_PROXY_RESOLVER_H_