Remove zombie hunting on startup.
Remove zombie hunting on startup.

We are hopefully over our zombie problems, and this can cause other troubles.  This should also improve startup performance, since we don't need to iterate all processes on the system on startup.

BUG=6468

Review URL: http://codereview.chromium.org/27203


git-svn-id: http://src.chromium.org/svn/trunk/src@10471 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: c847a7cc3b92a3e6035b92f6741a7efe48ec83eb
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser