Refactor net::NetLog to provide implementation of observer pattern, not just the interface.

chrome/browser/net/chrome_net_log.h

Index: chrome/browser/net/chrome_net_log.h
diff --git a/chrome/browser/net/chrome_net_log.h b/chrome/browser/net/chrome_net_log.h
index 9bbf15276c1fc71783627cd315519a4487b3eae9..10e45fbdd0372e84555856ba6b0b424f15ebc928 100644
--- a/chrome/browser/net/chrome_net_log.h
+++ b/chrome/browser/net/chrome_net_log.h
@@ -25,46 +25,14 @@ class ChromeNetLog : public net::NetLog {
   ChromeNetLog();
   virtual ~ChromeNetLog();
 
-  // NetLog implementation:
-  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;
-
   NetLogTempFile* net_log_temp_file() {
     return net_log_temp_file_.get();
   }
 
  private:
-  // NetLog implementation:
-  virtual void OnAddEntry(const net::NetLog::Entry& entry) OVERRIDE;
-
-  // Called whenever an observer is added or removed, or has its log level
-  // changed.  Must have acquired |lock_| prior to calling.
-  void UpdateLogLevel();
-
-  // |lock_| protects access to |observers_|.
-  base::Lock lock_;
-
-  // Last assigned source ID.  Incremented to get the next one.
-  base::subtle::Atomic32 last_id_;
-
-  // The lowest allowed log level, regardless of any ChromeNetLogObservers.
-  // Normally defaults to LOG_BASIC, but can be changed with command line flags.
-  LogLevel base_log_level_;
-
-  // The current log level.
-  base::subtle::Atomic32 effective_log_level_;
-
   scoped_ptr<NetLogLogger> net_log_logger_;
   scoped_ptr<NetLogTempFile> net_log_temp_file_;
 
-  // |lock_| must be acquired whenever reading or writing to this.
-  ObserverList<ThreadSafeObserver, true> observers_;
-
   DISALLOW_COPY_AND_ASSIGN(ChromeNetLog);
 };