Mojo: Remove url type converters.

media/mojo/clients/mojo_cdm.cc

Index: media/mojo/clients/mojo_cdm.cc
diff --git a/media/mojo/clients/mojo_cdm.cc b/media/mojo/clients/mojo_cdm.cc
index 9ae21590b81ee478f51b1f0048a0ad8cc0686142..4dfcc4c7c5a10e674fb6ebdacd2dbec54e7f10f4 100644
--- a/media/mojo/clients/mojo_cdm.cc
+++ b/media/mojo/clients/mojo_cdm.cc
@@ -242,20 +242,13 @@ int MojoCdm::GetCdmId() const {
 void MojoCdm::OnSessionMessage(const mojo::String& session_id,
                                mojom::CdmMessageType message_type,
                                mojo::Array<uint8_t> message,
-                               const mojo::String& legacy_destination_url) {
+                               const GURL& legacy_destination_url) {
   DVLOG(2) << __FUNCTION__;
   DCHECK(thread_checker_.CalledOnValidThread());
 
-  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();
-    verified_gurl = GURL::EmptyGURL();  // Replace invalid destination_url.
-  }
-
   session_message_cb_.Run(session_id,
                           static_cast<MediaKeys::MessageType>(message_type),
-                          message.storage(), verified_gurl);
+                          message.storage(), legacy_destination_url);
 }
 
 void MojoCdm::OnSessionClosed(const mojo::String& session_id) {