GaiaOAuthClient::Core::GetUserInfo() does not need to send or receive cookies.
The function should set the load flags to ignore cookies.

BUG=327120

Review URL: https://codereview.chromium.org/98403011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241058 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 241058