As of Chrome 64, Chrome for Windows is compiled with Clang. We now use Clang to build Chrome for all platforms it runs on: macOS, iOS, Linux, Chrome OS, Android, and Windows. Windows is the platform with the second most Chrome users after Android according to statcounter, which made this switch particularly exciting.

Source: LLVM Project Blog: Clang is now used to build Chrome for Windows

Amazing to see LLVM/Clang take on so much compiler mindshare.