[ CCode ( has_construct_function = false ) ]
protected WebExtension ()
Creates a new WebKitWebExtension from a folder containing the extension contents.
The folder must contain a `manifest.json` file. If the manifest is invalid or missing, an error will be returned.
| extension_path |
A string pointing to the folder containing the extension manifest and resources |
|
the new WebExtension, or null if the extension failed to be created |