Fix for memory leak 72698_b in both normal and incognito mode.Actually it was wrong to remove the whole suppression for this fix. The same suppression can be observed in incognito mode.

      BUG=72698
TEST= open google.com in
1. normal mode.
2. Incognito mode.


Review URL: http://codereview.chromium.org/8342068

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@106756 0039d316-1c4b-4281-b951-d872f2087c98