GitLab

Also revert the previous attempt to fix this issue:

Revert "Aura build fix: Make TooltipManagerViews an observer of parent Widget and"

This reverts commit 67498136.

BUG=none
TEST=none


Review URL: http://codereview.chromium.org/8418028

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@107776 0039d316-1c4b-4281-b951-d872f2087c98