Convert GN group targets to Visual Studio projects

BUG=596895

Review URL: https://codereview.chromium.org/1819353002

Cr-Original-Commit-Position: refs/heads/master@{#383042}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 130612c0259b1200a8edf41973b058d5164470ef