GitLab

Use "GURL::possibly_invalid_spec()" rather than "GURL::spec()", in case the GURL that was passed to URLRequest(const GURL&) is invalid.

BUG=http://crbug.com/21423

Review URL: http://codereview.chromium.org/192057

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@25903 0039d316-1c4b-4281-b951-d872f2087c98