Extracting NetLog inner classes into their own classes.

net/tools/get_server_time/get_server_time.cc

Index: net/tools/get_server_time/get_server_time.cc
diff --git a/net/tools/get_server_time/get_server_time.cc b/net/tools/get_server_time/get_server_time.cc
index a05d3f88fd788e7ac9f592fa203f3766aee76d2c..75ca214f8a7a7d17726564dc0a36d5e7bec19c87 100644
--- a/net/tools/get_server_time/get_server_time.cc
+++ b/net/tools/get_server_time/get_server_time.cc
@@ -35,6 +35,7 @@
 #include "net/base/net_errors.h"
 #include "net/http/http_response_headers.h"
 #include "net/log/net_log.h"
+#include "net/log/net_log_entry.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_fetcher_delegate.h"
 #include "net/url_request/url_request_context.h"
@@ -110,7 +111,7 @@ class PrintingLogObserver : public net::NetLog::ThreadSafeObserver {
   }
 
   // NetLog::ThreadSafeObserver implementation:
-  void OnAddEntry(const net::NetLog::Entry& entry) override {
+  void OnAddEntry(const net::NetLogEntry& entry) override {
     // The log level of the entry is unknown, so just assume it maps
     // to VLOG(1).
     if (!VLOG_IS_ON(1))