Convert //extensions/{common,shell} from scoped_ptr to std::unique_ptr

extensions/common/file_util.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 EXTENSIONS_COMMON_FILE_UTIL_H_
 #define EXTENSIONS_COMMON_FILE_UTIL_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 44 matching lines @@
 
 // The same as LoadExtension except use the provided |extension_id|.
 scoped_refptr<Extension> LoadExtension(const base::FilePath& extension_root,
                                        const std::string& extension_id,
                                        Manifest::Location location,
                                        int flags,
                                        std::string* error);
 
 // Loads an extension manifest from the specified directory. Returns NULL
 // on failure, with a description of the error in |error|.
-scoped_ptr<base::DictionaryValue> LoadManifest(
+std::unique_ptr<base::DictionaryValue> LoadManifest(
     const base::FilePath& extension_root,
     std::string* error);
 
 // Convenience overload for specifying a manifest filename.
-scoped_ptr<base::DictionaryValue> LoadManifest(
+std::unique_ptr<base::DictionaryValue> LoadManifest(
     const base::FilePath& extension_root,
     const base::FilePath::CharType* manifest_filename,
     std::string* error);
 
 // Returns true if the given extension object is valid and consistent.
 // May also append a series of warning messages to |warnings|, but they
 // should not prevent the extension from running.
 //
 // Otherwise, returns false, and a description of the error is
 // returned in |error|.
@@ skipping 67 matching lines @@
     const ExtensionSet& extension_set);
 
 // Helper functions for getting paths for files used in content verification.
 base::FilePath GetVerifiedContentsPath(const base::FilePath& extension_path);
 base::FilePath GetComputedHashesPath(const base::FilePath& extension_path);
 
 }  // namespace file_util
 }  // namespace extensions
 
 #endif  // EXTENSIONS_COMMON_FILE_UTIL_H_