Tests were marked as Flaky.

BUG=151811,151810
TBR=droger@chromium.org,shalev@chromium.org
NOTRY=true

Review URL: https://chromiumcodereview.appspot.com/10968052

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@158204 0039d316-1c4b-4281-b951-d872f2087c98
  URLRequestTestHTTP()
      : test_server_(FilePath(FILE_PATH_LITERAL(
                                  "net/data/url_request_unittest"))) {
  }

  URLRequestTestHTTP()
      : test_server_(FilePath(FILE_PATH_LITERAL(
                                  "net/data/url_request_unittest"))) {
  }
