Revert 64845 - Add convert_web_app.*, a utility to convert web apps declared...

chrome/browser/extensions/convert_user_script.h

Index: chrome/browser/extensions/convert_user_script.h
===================================================================
--- chrome/browser/extensions/convert_user_script.h	(revision 64850)
+++ chrome/browser/extensions/convert_user_script.h	(working copy)
@@ -19,8 +19,6 @@
 // should take ownership on success, or NULL and |error| on failure.
 //
 // NOTE: This function does file IO and should not be called on the UI thread.
-// NOTE: The caller takes ownership of the directory at extension->path() on the
-// returned object.
 scoped_refptr<Extension> ConvertUserScriptToExtension(
     const FilePath& user_script, const GURL& original_url, std::string* error);