Add support for attaching custom parameters to NetLog events.

chrome/browser/net/chrome_net_log.h

Index: chrome/browser/net/chrome_net_log.h
===================================================================
--- chrome/browser/net/chrome_net_log.h	(revision 44049)
+++ chrome/browser/net/chrome_net_log.h	(working copy)
@@ -25,14 +25,22 @@
   class Observer {
    public:
     virtual ~Observer() {}
-    virtual void OnAddEntry(const Entry& entry) = 0;
+    virtual void OnAddEntry(EventType type,
+                            const base::TimeTicks& time,
+                            const Source& source,
+                            EventPhase phase,
+                            EventParameters* extra_parameters) = 0;
   };
 
   ChromeNetLog();
   ~ChromeNetLog();
 
   // NetLog implementation:
-  virtual void AddEntry(const Entry& entry);
+  virtual void AddEntry(EventType type,
+                        const base::TimeTicks& time,
+                        const Source& source,
+                        EventPhase phase,
+                        EventParameters* extra_parameters);
   virtual int NextID();
   virtual bool HasListener() const;