Reduce string copies in GURL creation

media/mojo/services/mojo_cdm.cc

Index: media/mojo/services/mojo_cdm.cc
diff --git a/media/mojo/services/mojo_cdm.cc b/media/mojo/services/mojo_cdm.cc
index 0b29b92c94cf83ddbe654da341d90e3bf1481b97..ef667f97dcff65b39b4c2d729061f5ce8b8e396c 100644
--- a/media/mojo/services/mojo_cdm.cc
+++ b/media/mojo/services/mojo_cdm.cc
@@ -184,7 +184,7 @@ void MojoCdm::OnSessionMessage(const mojo::String& session_id,
                                mojo::Array<uint8_t> message,
                                const mojo::String& legacy_destination_url) {
   DVLOG(2) << __FUNCTION__;
-  GURL verified_gurl = GURL(legacy_destination_url);
+  GURL verified_gurl = GURL(legacy_destination_url.get());
   if (!verified_gurl.is_valid() && !verified_gurl.is_empty()) {
     DLOG(WARNING) << "SessionMessage destination_url is invalid : "
                   << verified_gurl.possibly_invalid_spec();