Revert 253994 "[Mac] Remove NSApplication from the renderer."
Speculative revert to see if this is causing Mac10.6 layout test bots to crash.
> [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
>
> Review URL: https://codereview.chromium.org/
177243021
TBR=rsesek@chromium.org
Review URL: https://codereview.chromium.org/
183743006
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254034 0039d316-1c4b-4281-b951-d872f2087c98