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

extensions/browser/external_install_info.h

 // 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.
 
 #ifndef EXTENSIONS_BROWSER_EXTERNAL_INSTALL_INFO_H_
 #define EXTENSIONS_BROWSER_EXTERNAL_INSTALL_INFO_H_
 
 #include "base/files/file_path.h"
 #include "base/memory/scoped_vector.h"
 #include "extensions/common/manifest.h"
@@ skipping 17 matching lines @@
   std::string extension_id;
   int creation_flags;
   bool mark_acknowledged;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ExternalInstallInfo);
 };
 
 struct ExternalInstallInfoFile : public ExternalInstallInfo {
   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);
   ~ExternalInstallInfoFile() override;
 
-  scoped_ptr<base::Version> version;
+  std::unique_ptr<base::Version> version;
   base::FilePath path;
   Manifest::Location crx_location;
   bool install_immediately;
 };
 
 struct ExternalInstallInfoUpdateUrl : public ExternalInstallInfo {
   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);
   ~ExternalInstallInfoUpdateUrl() override;
 
   std::string install_parameter;
-  scoped_ptr<GURL> update_url;
+  std::unique_ptr<GURL> update_url;
   Manifest::Location download_location;
 };
 
 }  // namespace extensions
 #endif  // EXTENSIONS_BROWSER_EXTERNAL_INSTALL_INFO_H_