Exclude more IPC tests from purify buildbot.  Looks like one of the tests using TimeoutServer has a leak because the threads don't get to run for enough time.
Exclude more IPC tests from purify buildbot.  Looks like one of the tests using TimeoutServer has a leak because the threads don't get to run for enough time.

BUG=8469
Review URL: http://codereview.chromium.org/39294

git-svn-id: http://src.chromium.org/svn/trunk/src@11181 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: e1ea73065903a67f7b882474d3e0194893c6451a
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