Convert JsonWriter::Write to taking a const ref for the in-param

components/error_page/renderer/net_error_helper_core.cc

Index: components/error_page/renderer/net_error_helper_core.cc
diff --git a/components/error_page/renderer/net_error_helper_core.cc b/components/error_page/renderer/net_error_helper_core.cc
index 8a9977c5b27ec4ec05c8916f3cb2eeb21b6f459c..9f6bb2260a15208882b86ff6872210680572b65d 100644
--- a/components/error_page/renderer/net_error_helper_core.cc
+++ b/components/error_page/renderer/net_error_helper_core.cc
@@ -198,7 +198,7 @@ std::string CreateRequestBody(
   request_dict.Set("params", params_dict.release());
 
   std::string request_body;
-  bool success = base::JSONWriter::Write(&request_dict, &request_body);
+  bool success = base::JSONWriter::Write(request_dict, &request_body);
   DCHECK(success);
   return request_body;
 }