Convert //extensions/browser from scoped_ptr to std::unique_ptr

extensions/browser/external_install_info.cc

 // Copyright 2016 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 "extensions/browser/external_install_info.h"
 
 #include "base/version.h"
 #include "url/gurl.h"
 
 namespace extensions {
 
 ExternalInstallInfo::ExternalInstallInfo(const std::string& extension_id,
                                          int creation_flags,
                                          bool mark_acknowledged)
     : extension_id(extension_id),
       creation_flags(creation_flags),
       mark_acknowledged(mark_acknowledged) {}
 
 ExternalInstallInfoFile::ExternalInstallInfoFile(
     const std::string& extension_id,
-    scoped_ptr<base::Version> version,
+    std::unique_ptr<base::Version> version,
     const base::FilePath& path,
     Manifest::Location crx_location,
     int creation_flags,
     bool mark_acknowledged,
     bool install_immediately)
     : ExternalInstallInfo(extension_id, creation_flags, mark_acknowledged),
       version(std::move(version)),
       path(path),
       crx_location(crx_location),
       install_immediately(install_immediately) {}
 
 ExternalInstallInfoFile::~ExternalInstallInfoFile() {}
 
 ExternalInstallInfoUpdateUrl::ExternalInstallInfoUpdateUrl(
     const std::string& extension_id,
     const std::string& install_parameter,
-    scoped_ptr<GURL> update_url,
+    std::unique_ptr<GURL> update_url,
     Manifest::Location download_location,
     int creation_flags,
     bool mark_acknowledged)
     : ExternalInstallInfo(extension_id, creation_flags, mark_acknowledged),
       install_parameter(install_parameter),
       update_url(std::move(update_url)),
       download_location(download_location) {}
 
 ExternalInstallInfoUpdateUrl::~ExternalInstallInfoUpdateUrl() {}
 
 }  // namespace extensions