Adding the --load-component-extension flag.

chrome/common/extensions/extension_file_util.h

Index: chrome/common/extensions/extension_file_util.h
diff --git a/chrome/common/extensions/extension_file_util.h b/chrome/common/extensions/extension_file_util.h
index ce60673dd4a13e16941707abcdf3d46ac0b65637..c1241f17555c84f4980a9e06c3f0fcd77cc0d24c 100644
--- a/chrome/common/extensions/extension_file_util.h
+++ b/chrome/common/extensions/extension_file_util.h
@@ -16,6 +16,9 @@ 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 {
@@ -43,6 +46,11 @@ scoped_refptr<Extension> LoadExtension(const FilePath& extension_root,
                                        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);