mac: Prepare for -Wunused-functions.

Mostly involves deleting hundreds of lines of unused code.

BUG=315884
R=akalin@chromium.org, brettw@chromium.org, fischman@chromium.org, jamesr@chromium.org, sky@chromium.org, thestig@chromium.org
TBR=piman, youngki

Review URL: https://codereview.chromium.org/63153003

Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 4159e7f4840e961b69e4f9438a5858d0b3fe6e63
3 files changed
tree: a63082c2e2f301809eb8215a3eea69395744c38e
  1. tools/