[Coverity] Convert pass-by-val to pass-by-ref

chrome/browser/extensions/script_executor_impl.cc

Index: chrome/browser/extensions/script_executor_impl.cc
diff --git a/chrome/browser/extensions/script_executor_impl.cc b/chrome/browser/extensions/script_executor_impl.cc
index 7b3d73745f3fb328881bdaafacdb835b60e71326..76c610382cfd62b7ca455605c3af5dc549ed0931 100644
--- a/chrome/browser/extensions/script_executor_impl.cc
+++ b/chrome/browser/extensions/script_executor_impl.cc
@@ -26,7 +26,7 @@ const char* kRendererDestroyed = "The tab was closed.";
 class Handler : public content::WebContentsObserver {
  public:
   Handler(content::WebContents* web_contents,
-          const ExtensionMsg_ExecuteCode_Params params,
+          const ExtensionMsg_ExecuteCode_Params& params,
           const ScriptExecutor::ExecuteScriptCallback& callback)
           : content::WebContentsObserver(web_contents),
             request_id_(params.request_id),