Add an SignedCertificateTimetampStore, making SignedCertificateTimestamp be refcounted to aid.

BUG=

Review URL: https://codereview.chromium.org/72333007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@236797 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 236797
Support use_glib==0 in ui

Without glib, ignore the locale from the environment just
like ChromeOS does. No functional change on configurations
other than the new embedded configuration.

Unknown platforms will now also use the ChromeOS behavior,
which has no external dependencies.

BUG=318315, 318413

Review URL: https://codereview.chromium.org/79323003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@236798 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 236798