Reduce string copies in GURL creation

media/blink/webcontentdecryptionmodule_impl.cc

 // Copyright 2013 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/blink/webcontentdecryptionmodule_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 44 matching lines @@
   }
 
   // If unique security origin, don't try to create the CDM.
   if (security_origin.isUnique() || security_origin.toString() == "null") {
     result->completeWithError(
         blink::WebContentDecryptionModuleExceptionNotSupportedError, 0,
         "EME use is not allowed on unique origins.");
     return;
   }
 
-  GURL security_origin_as_gurl(security_origin.toString());
+  GURL security_origin_as_gurl(base::string16(security_origin.toString()));
 
   // CdmSessionAdapter::CreateCdm() will keep a reference to |adapter|. Then
   // if WebContentDecryptionModuleImpl is successfully created (returned in
   // |result|), it will keep a reference to |adapter|. Otherwise, |adapter| will
   // be destructed.
   scoped_refptr<CdmSessionAdapter> adapter(new CdmSessionAdapter());
   adapter->CreateCdm(cdm_factory, key_system_ascii, security_origin_as_gurl,
                      cdm_config, std::move(result));
 }
 
@@ skipping 21 matching lines @@
                            server_certificate + server_certificate_length),
       scoped_ptr<SimpleCdmPromise>(
           new CdmResultPromise<>(result, std::string())));
 }
 
 CdmContext* WebContentDecryptionModuleImpl::GetCdmContext() {
   return adapter_->GetCdmContext();
 }
 
 }  // namespace media