Turn on <link rel=preconnect> support by default

Intent to ship thread: https://groups.google.com/a/chromium.org/d/msg/blink-dev/iHlmMCwZiZ8/nbqK2tpBPiUJ

BUG=449620

Review URL: https://codereview.chromium.org/1226203003

git-svn-id: svn://svn.chromium.org/blink/trunk@199657 bbb929c8-8fbe-4397-9dbb-9b2b20218538
1 file changed
tree: ac7201983cc0826d609ab32e5127ee8d205a94b3
  1. third_party/