The website owner complaint that their website have lost traffic and ranking because the Google analytics is missing..
Here is the Google webmaster screenshot for the month of March.
You can see that the site impressions on Google Australia search engine are normal. The blue color is the appearance of the site everyday while the red is the daily click that will lead the user to their site.
As mentioned above, GA code does not have relevance on her keyword ranking. Webmaster does not have relevance too. They are just use to monitor performance.
Just make sure her site is quality and she have nothing to worry from any tools.