Reenable WebNavigationApiTest.ServerRedirectSingleProcess on ChromeOS

BUG=235171
R=battre@chromium.org

Review URL: https://codereview.chromium.org/104053005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241865 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 241865