I expect this to be bad for everyone except Google if the ruling holds. Why? Mozilla and Apple will lose significant revenue from having Google as the default search engine and Google will no longer have to pay those billions. What's more, no one else can pay to be the default either (eg the short-lived Mozilla Bing deal). So what's going to happen? Most users will probably still use Google, nobody is getting paid an…
Apple might make their own search engine. Apple has a team that's been creating a next-generation search engine codenamed Pegasus under John Giannandrea. They already have search engines for App Store, Maps, Apple TV and News and Spotlight.
Apple web search development worked as bargaining chip in pricing negotiations with Google. Google paid them $20 billion per year to not compete as much as keeping other competitors away.