
Usage: plugin.get(url).then(doStuff).catch(onError); plugin.post(url, payload).then(doStuff).catch(onError); onError will receive an error string, that is one of the following: - error message from Gerrit REST API, eg. "Cherry pick failed: ..." - error message from Fetch API, eg "TypeError: Failed to fetch" - HTTP failure code, eg "404" Bug: Issue 6595 Change-Id: I1a598fe2c249c8e87bc575359d51ad2e15431356