Make NetLog take in callbacks that return Values

net/url_request/url_request_netlog_params.h

Index: net/url_request/url_request_netlog_params.h
===================================================================
--- net/url_request/url_request_netlog_params.h	(revision 137673)
+++ net/url_request/url_request_netlog_params.h	(working copy)
@@ -25,14 +25,6 @@
                                  int load_flags,
                                  RequestPriority priority);
 
-  const GURL& url() const {
-    return url_;
-  }
-
-  int load_flags() const {
-    return load_flags_;
-  }
-
   virtual base::Value* ToValue() const OVERRIDE;
 
  protected:
@@ -47,6 +39,10 @@
   DISALLOW_COPY_AND_ASSIGN(URLRequestStartEventParameters);
 };
 
+bool NET_EXPORT StartEventLoadFlagsFromEventParameters(
+    base::Value* event_params,
+    int* load_flags);
+
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_NETLOG_PARAMS_H_