Reduce string copies in GURL creation

mojo/shell/connect_to_application_params.cc

Index: mojo/shell/connect_to_application_params.cc
diff --git a/mojo/shell/connect_to_application_params.cc b/mojo/shell/connect_to_application_params.cc
index e631617b9323c5562f4688b76d64b63b3341837d..9d7c3a469f80afbf9b398673335792e7baa3a06a 100644
--- a/mojo/shell/connect_to_application_params.cc
+++ b/mojo/shell/connect_to_application_params.cc
@@ -37,8 +37,8 @@ void ConnectToApplicationParams::SetTargetURL(const GURL& target_url) {
 }
 
 void ConnectToApplicationParams::SetTargetURLRequest(URLRequestPtr request) {
-  Identity target = request ? Identity(GURL(request->url), target_.qualifier(),
-                                       target_.filter())
+  Identity target = request ? Identity(GURL(request->url.get()),
+                                       target_.qualifier(), target_.filter())
                             : Identity();
   SetTargetURLRequest(std::move(request), target);
 }