Guard against a crash that can impact Dialog boxes ... this one seems to have already impacted Window itself, but a NULL check was already inserted in that code.

http://crbug.com/4355
Review URL: http://codereview.chromium.org/40183

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@11047 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed