Removes lots of parameters that are never used (found using
-Wunused-parameter).

Also wires up the pretenure parameter for Factory::NewFrameArray so it's
actually used.

Change-Id: I486e22ac0683afb84bba6a286947674254f93832
Reviewed-on: https://chromium-review.googlesource.com/1041687Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Commit-Queue: Dan Elphick <delphick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53077}