[Mac] Remove NSApplication from the renderer.

This removes the +sharedApplication warmup from the renderer, along with the
trackpad IME hack. The hack is no longer necessary because NSApplication will no
longer connect to TSM.

BUG=306348,311899,336642,31225,152566

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=253994
Reverted: https://src.chromium.org/viewvc/chrome?view=rev&revision=254034

R=avi@chromium.org, mark@chromium.org

Review URL: https://codereview.chromium.org/177243021

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254175 0039d316-1c4b-4281-b951-d872f2087c98
6 files changed