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

components/printing/renderer/print_web_view_helper.cc

Index: components/printing/renderer/print_web_view_helper.cc
diff --git a/components/printing/renderer/print_web_view_helper.cc b/components/printing/renderer/print_web_view_helper.cc
index 7d1b90784ef6a29b1bf04d899d2f0328e6886323..bd6267c88a6304baf6d437487637e8cb2fbd5052 100644
--- a/components/printing/renderer/print_web_view_helper.cc
+++ b/components/printing/renderer/print_web_view_helper.cc
@@ -83,7 +83,7 @@ void ExecuteScript(blink::WebFrame* frame,
                    const char* script_format,
                    const base::Value& parameters) {
   std::string json;
-  base::JSONWriter::Write(&parameters, &json);
+  base::JSONWriter::Write(parameters, &json);
   std::string script = base::StringPrintf(script_format, json.c_str());
   frame->executeScript(blink::WebString(base::UTF8ToUTF16(script)));
 }