Adding the --load-component-extension flag.

chrome/common/extensions/extension_file_util.h

 // Copyright (c) 2011 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 CHROME_COMMON_EXTENSIONS_EXTENSION_FILE_UTIL_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_FILE_UTIL_H_
 #pragma once
 
 #include <string>
 #include <map>
 
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_message_bundle.h"
 
 class Extension;
 class ExtensionMessageBundle;
 class FilePath;
 class GURL;
+namespace base {
+class DictionaryValue;
+}
 
 // Utilties for manipulating the on-disk storage of extensions.
 namespace extension_file_util {
 
 // The name of the directory inside the profile that we store installed
 // extension in.
 extern const char kInstallDirectoryName[];
 
 // Copies |unpacked_source_dir| into the right location under |extensions_dir|.
 // The destination directiory is returned on success, or empty path is returned
 // on failure.
 FilePath InstallExtension(const FilePath& unpacked_source_dir,
                           const std::string& id,
                           const std::string& version,
                           const FilePath& extensions_dir);
 
 // Removes all versions of the extension with |id| from |extensions_dir|.
 void UninstallExtension(const FilePath& extensions_dir,
                         const std::string& id);
 
 // Loads and validates an extension from the specified directory. Returns NULL
 // on failure, with a description of the error in |error|.
 scoped_refptr<Extension> LoadExtension(const FilePath& extension_root,
                                        Extension::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|.
+base::DictionaryValue* LoadManifest(const FilePath& extension_root,
+                                    std::string* error);
+
 // Returns true if the given extension object is valid and consistent.
 // Otherwise, a description of the error is returned in |error|.
 bool ValidateExtension(const Extension* extension, std::string* error);
 
 // Cleans up the extension install directory. It can end up with garbage in it
 // if extensions can't initially be removed when they are uninstalled (eg if a
 // file is in use).
 //
 // |extensions_dir| is the install directory to look in. |extension_paths| is a
 // map from extension id to full installation path.
@@ skipping 36 matching lines @@
 FilePath GetUserDataTempDir();
 
 // Helper function to delete files. This is used to avoid ugly casts which
 // would be necessary with PostMessage since file_util::Delete is overloaded.
 // TODO(skerner): Make a version of Delete that is not overloaded in file_util.
 void DeleteFile(const FilePath& path, bool recursive);
 
 }  // namespace extension_file_util
 
 #endif  // CHROME_COMMON_EXTENSIONS_EXTENSION_FILE_UTIL_H_