Make NetLog take in callbacks that return Values

remoting/host/vlog_net_log.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 REMOTING_HOST_VLOG_NET_LOG_H_
 #define REMOTING_HOST_VLOG_NET_LOG_H_
 
 #include "base/memory/scoped_handle.h"
 #include "net/base/net_log.h"
 
 namespace remoting {
 
 // Redirectes all networking events (i.e. events logged through net::NetLog) to
 // VLOG(4). Note that an explicit reference to a net::NetLog object has to be
 // passed to networking classes to receive the events. There is no global
 // network events logger exists.
 class VlogNetLog : public net::NetLog {
  public:
   VlogNetLog();
   virtual ~VlogNetLog();
 
   // NetLog overrides:
-  virtual void AddEntry(
-      EventType type,
-      const Source& source,
-      EventPhase phase,
-      const scoped_refptr<NetLog::EventParameters>& params) OVERRIDE;
+  virtual void OnAddEntry(const NetLog::Entry& entry) OVERRIDE;
   virtual uint32 NextID() OVERRIDE;
   virtual LogLevel GetLogLevel() const OVERRIDE;
   virtual void AddThreadSafeObserver(ThreadSafeObserver* observer,
                                      LogLevel log_level) OVERRIDE;
   virtual void SetObserverLogLevel(ThreadSafeObserver* observer,
                                    LogLevel log_level) OVERRIDE;
   virtual void RemoveThreadSafeObserver(ThreadSafeObserver* observer) OVERRIDE;
 
  private:
   uint32 id_;
 
   DISALLOW_COPY_AND_ASSIGN(VlogNetLog);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_VLOG_NET_LOG_H_