Change NetLog::ParametersCallback to return a scoped_ptr.

net/cert/x509_certificate_net_log_param.cc

Index: net/cert/x509_certificate_net_log_param.cc
diff --git a/net/cert/x509_certificate_net_log_param.cc b/net/cert/x509_certificate_net_log_param.cc
index 806eba32be087a38646df7fef6c8f2181c5560f7..72b1e919aa7c7ba0adafc4883909f8fa71011104 100644
--- a/net/cert/x509_certificate_net_log_param.cc
+++ b/net/cert/x509_certificate_net_log_param.cc
@@ -12,8 +12,9 @@
 
 namespace net {
 
-base::Value* NetLogX509CertificateCallback(const X509Certificate* certificate,
-                                           NetLogCaptureMode capture_mode) {
+scoped_ptr<base::Value> NetLogX509CertificateCallback(
+    const X509Certificate* certificate,
+    NetLogCaptureMode capture_mode) {
   scoped_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
   scoped_ptr<base::ListValue> certs(new base::ListValue());
   std::vector<std::string> encoded_chain;
@@ -21,7 +22,7 @@ base::Value* NetLogX509CertificateCallback(const X509Certificate* certificate,
   for (size_t i = 0; i < encoded_chain.size(); ++i)
     certs->Append(new base::StringValue(encoded_chain[i]));
   dict->Set("certificates", certs.Pass());
-  return dict.release();
+  return dict.Pass();
 }
 
 }  // namespace net