Convert WebSecurityOrigin -> GURL without re-parsing the url

media/blink/webcontentdecryptionmodule_impl.cc

Index: media/blink/webcontentdecryptionmodule_impl.cc
diff --git a/media/blink/webcontentdecryptionmodule_impl.cc b/media/blink/webcontentdecryptionmodule_impl.cc
index 727f4d0be496b3b7f734bca538990ad82958a5b7..d6974c8b9005e2e351e9b792e954213277cb4466 100644
--- a/media/blink/webcontentdecryptionmodule_impl.cc
+++ b/media/blink/webcontentdecryptionmodule_impl.cc
@@ -21,6 +21,7 @@
 #include "third_party/WebKit/public/platform/WebSecurityOrigin.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "url/gurl.h"
+#include "url/origin.h"
 
 namespace media {
 
@@ -63,8 +64,7 @@ void WebContentDecryptionModuleImpl::Create(
     return;
   }
 
-  GURL security_origin_as_gurl(
-      blink::WebStringToGURL(security_origin.toString()));
+  GURL security_origin_as_gurl(url::Origin(security_origin).GetURL());
 
   // CdmSessionAdapter::CreateCdm() will keep a reference to |adapter|. Then
   // if WebContentDecryptionModuleImpl is successfully created (returned in