Fix feedback resize issues.

R=xiyuan@chromium.org
BUG=317446

Review URL: https://codereview.chromium.org/104983003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@238805 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 238805