Google has decided to expand its Safe Browsing protections to macOS devices in order to create a safer browsing environment for users. This will be done by improving defenses against unwanted software and malware targeting the Apple operating system. For the past few years, Google has been restricting attempts to change Chrome settings on Windows.
Article Link: http://news.softpedia.com/news/chrome-macos-users-to-benefit-from-extended-malware-protection-513499.shtml