Remove SecurityStateModel memoization

ios/chrome/browser/ssl/ios_chrome_security_state_model_client.mm

Index: ios/chrome/browser/ssl/ios_chrome_security_state_model_client.mm
diff --git a/ios/chrome/browser/ssl/ios_chrome_security_state_model_client.mm b/ios/chrome/browser/ssl/ios_chrome_security_state_model_client.mm
index 9cc4f3864e625b5ced17cda842c0ac9d1bb782ff..888baed011223afc5ed1507b9ee9c48c2b275c42 100644
--- a/ios/chrome/browser/ssl/ios_chrome_security_state_model_client.mm
+++ b/ios/chrome/browser/ssl/ios_chrome_security_state_model_client.mm
@@ -55,9 +55,9 @@ IOSChromeSecurityStateModelClient::IOSChromeSecurityStateModelClient(
 
 IOSChromeSecurityStateModelClient::~IOSChromeSecurityStateModelClient() {}
 
-const security_state::SecurityStateModel::SecurityInfo&
-IOSChromeSecurityStateModelClient::GetSecurityInfo() const {
-  return security_state_model_->GetSecurityInfo();
+void IOSChromeSecurityStateModelClient::GetSecurityInfo(
+    security_state::SecurityStateModel::SecurityInfo* result) const {
+  return security_state_model_->GetSecurityInfo(result);
 }
 
 bool IOSChromeSecurityStateModelClient::RetrieveCert(