Reduce string copies in GURL creation

media/mojo/services/mojo_cdm.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/mojo/services/mojo_cdm.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 166 matching lines @@
 int MojoCdm::GetCdmId() const {
   DCHECK_NE(CdmContext::kInvalidCdmId, cdm_id_);
   return cdm_id_;
 }
 
 void MojoCdm::OnSessionMessage(const mojo::String& session_id,
                                interfaces::CdmMessageType message_type,
                                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();
     verified_gurl = GURL::EmptyGURL();  // Replace invalid destination_url.
   }
 
   session_message_cb_.Run(session_id,
                           static_cast<MediaKeys::MessageType>(message_type),
                           message.storage(), verified_gurl);
 }
@@ skipping 51 matching lines @@
     return;
   }
 
   DCHECK_NE(CdmContext::kInvalidCdmId, cdm_id);
   cdm_id_ = cdm_id;
   decryptor_ptr_ = std::move(decryptor);
   promise->resolve();
 }
 
 }  // namespace media