GitLab

PrerenderContents::Destroy() is called in response to
TabContents destruction.

Re-enables PrerenderBrowserTest.PrerenderHttpAuthentication,
which ran into the issue on ChromeOS.

BUG=82835,82913
TEST=PrerenderBrowserTest.PrerenderHttpAuthentication on ChromeOS

Review URL: http://codereview.chromium.org/7017014

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@86339 0039d316-1c4b-4281-b951-d872f2087c98