Autocomplete: Refactored _response() so that requestIndex is defined closer to where it's used.
(cherry picked from commit 947d738c0b9403da527b31ad2af3b6b9150383bd)
Position demo: Fixed usage of center positioning.
(cherry picked from commit cc378433ab776dee8b75c4ece7df92bfe1300aaf)
Whitespace.
(cherry picked from commit 72f82df577c7616c893acf6ad96c673ce20bec12)
Autocomplete tests: Cleanup.
(cherry picked from commit 7af03b73ea0786de9361f3cd21ef46047cb957d7)