Convert //url to use std::unique_ptr

url/gurl.h

 // 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.
 
 #ifndef URL_GURL_H_
 #define URL_GURL_H_
 
 #include <stddef.h>
 
 #include <iosfwd>
+#include <memory>
 #include <string>
 
-#include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_piece.h"
 #include "url/third_party/mozilla/url_parse.h"
 #include "url/url_canon.h"
 #include "url/url_canon_stdstring.h"
 #include "url/url_constants.h"
 #include "url/url_export.h"
 
 // Represents a URL.
 //
@@ skipping 406 matching lines @@
 
   // Set when the given URL is valid. Otherwise, we may still have a spec and
   // components, but they may not identify valid resources (for example, an
   // invalid port number, invalid characters in the scheme, etc.).
   bool is_valid_;
 
   // Identified components of the canonical spec.
   url::Parsed parsed_;
 
   // Used for nested schemes [currently only filesystem:].
-  scoped_ptr<GURL> inner_url_;
+  std::unique_ptr<GURL> inner_url_;
 };
 
 // Stream operator so GURL can be used in assertion statements.
 URL_EXPORT std::ostream& operator<<(std::ostream& out, const GURL& url);
 
 #endif  // URL_GURL_H_