Geez Apple just keeps doing terrible on the app developer relations front. I have talked with startup founders time and time again they tell me their iOS apps are more barebones because Apple's policies or permissions prevent them from implementing the same features they can implement on Android
This is the Safe Browsing API not a cozy relationship with Google but instead use of an API that many browsers use to ensure downloads are not embedded with malware to protect the end user and also to make sure you don't inadvertently go to a phishing site and get owned.
Even more odd is they still have their message about FF not being supported for Inbox up for Nightly. I just switched my User Agent to Chrome and Inbox works fine in FF.
It would be nice if they allowed the community to form a foundation and transferred the trademark to the foundation that way they don't give the entire community and project a bad name.